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Finding the Fourth Proportional to 83,442.32, 124,419.15 and 74,169.44

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Solution

The fourth proportional to 83,442.32, 124,419.15 and 74,169.44 is: 110,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,442.32 : 124,419.15 = 74,169.44 : x
  2. Step 2: Convert to fraction form
    83,442.32/124,419.15 = 74,169.44/x
  3. Step 3: Cross multiply
    83,442.32x = 124,419.15 × 74,169.44
  4. Step 4: Simplify right side
    83,442.32x = 9,228,098,680.78
  5. Step 5: Solve for x
    x = 9,228,098,680.78/83,442.32
  6. Step 6: Final answer
    x = 110,592.55

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