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Finding the Fourth Proportional to 132,712.86, 198,601.74 and 82,816.44

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Solution

The fourth proportional to 132,712.86, 198,601.74 and 82,816.44 is: 123,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,712.86 : 198,601.74 = 82,816.44 : x
  2. Step 2: Convert to fraction form
    132,712.86/198,601.74 = 82,816.44/x
  3. Step 3: Cross multiply
    132,712.86x = 198,601.74 × 82,816.44
  4. Step 4: Simplify right side
    132,712.86x = 16,447,489,084.61
  5. Step 5: Solve for x
    x = 16,447,489,084.61/132,712.86
  6. Step 6: Final answer
    x = 123,932.90

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