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Finding the Fourth Proportional to 140,251.92, 193,561.65 and 83,663.28

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Solution

The fourth proportional to 140,251.92, 193,561.65 and 83,663.28 is: 115,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,251.92 : 193,561.65 = 83,663.28 : x
  2. Step 2: Convert to fraction form
    140,251.92/193,561.65 = 83,663.28/x
  3. Step 3: Cross multiply
    140,251.92x = 193,561.65 × 83,663.28
  4. Step 4: Simplify right side
    140,251.92x = 16,194,002,521.21
  5. Step 5: Solve for x
    x = 16,194,002,521.21/140,251.92
  6. Step 6: Final answer
    x = 115,463.68

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