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Finding the Fourth Proportional to 137,356.56, 206,111.39 and 74,175.35

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Solution

The fourth proportional to 137,356.56, 206,111.39 and 74,175.35 is: 111,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,356.56 : 206,111.39 = 74,175.35 : x
  2. Step 2: Convert to fraction form
    137,356.56/206,111.39 = 74,175.35/x
  3. Step 3: Cross multiply
    137,356.56x = 206,111.39 × 74,175.35
  4. Step 4: Simplify right side
    137,356.56x = 15,288,383,090.80
  5. Step 5: Solve for x
    x = 15,288,383,090.80/137,356.56
  6. Step 6: Final answer
    x = 111,304.35

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