" This sounds fine, but it would most likely imply "This is/will be your fourth time doing that/You've already done it three times" (focusing on how many times you've done it so far). I find the other sentences a little unsatisfactory (especially the second one). I suppose that "three times ago" is passable informally, but "time/times" is not really a proper unit of measurement.
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navitasan1-You did that on the third occasion before this one.2-You did that the third time before this one.3-You did that three times ago.None of them seems natural to me. I am not sure what you are trying to say.