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Finding the Fourth Proportional to 123,863.92, 170,931.27 and 67,275.70

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Solution

The fourth proportional to 123,863.92, 170,931.27 and 67,275.70 is: 92,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,863.92 : 170,931.27 = 67,275.70 : x
  2. Step 2: Convert to fraction form
    123,863.92/170,931.27 = 67,275.70/x
  3. Step 3: Cross multiply
    123,863.92x = 170,931.27 × 67,275.70
  4. Step 4: Simplify right side
    123,863.92x = 11,499,520,841.14
  5. Step 5: Solve for x
    x = 11,499,520,841.14/123,863.92
  6. Step 6: Final answer
    x = 92,839.96

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