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Finding the Fourth Proportional to 93,687.40, 140,531.10 and 92,132.20

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Solution

The fourth proportional to 93,687.40, 140,531.10 and 92,132.20 is: 138,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,687.40 : 140,531.10 = 92,132.20 : x
  2. Step 2: Convert to fraction form
    93,687.40/140,531.10 = 92,132.20/x
  3. Step 3: Cross multiply
    93,687.40x = 140,531.10 × 92,132.20
  4. Step 4: Simplify right side
    93,687.40x = 12,947,439,411.42
  5. Step 5: Solve for x
    x = 12,947,439,411.42/93,687.40
  6. Step 6: Final answer
    x = 138,198.30

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