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Finding the Fourth Proportional to 123,691.88, 170,694.86 and 67,103.25

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Solution

The fourth proportional to 123,691.88, 170,694.86 and 67,103.25 is: 92,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,691.88 : 170,694.86 = 67,103.25 : x
  2. Step 2: Convert to fraction form
    123,691.88/170,694.86 = 67,103.25/x
  3. Step 3: Cross multiply
    123,691.88x = 170,694.86 × 67,103.25
  4. Step 4: Simplify right side
    123,691.88x = 11,454,179,864.30
  5. Step 5: Solve for x
    x = 11,454,179,864.30/123,691.88
  6. Step 6: Final answer
    x = 92,602.52

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