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Finding the Fourth Proportional to 93,687.80, 140,531.70 and 91,500.80

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Solution

The fourth proportional to 93,687.80, 140,531.70 and 91,500.80 is: 137,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,687.80 : 140,531.70 = 91,500.80 : x
  2. Step 2: Convert to fraction form
    93,687.80/140,531.70 = 91,500.80/x
  3. Step 3: Cross multiply
    93,687.80x = 140,531.70 × 91,500.80
  4. Step 4: Simplify right side
    93,687.80x = 12,858,762,975.36
  5. Step 5: Solve for x
    x = 12,858,762,975.36/93,687.80
  6. Step 6: Final answer
    x = 137,251.20

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