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Finding the Fourth Proportional to 123,139.50, 169,932.24 and 69,424.14

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Solution

The fourth proportional to 123,139.50, 169,932.24 and 69,424.14 is: 95,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,139.50 : 169,932.24 = 69,424.14 : x
  2. Step 2: Convert to fraction form
    123,139.50/169,932.24 = 69,424.14/x
  3. Step 3: Cross multiply
    123,139.50x = 169,932.24 × 69,424.14
  4. Step 4: Simplify right side
    123,139.50x = 11,797,399,620.27
  5. Step 5: Solve for x
    x = 11,797,399,620.27/123,139.50
  6. Step 6: Final answer
    x = 95,805.16

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