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Finding the Fourth Proportional to 125,102.62, 187,654.56 and 31,608.46

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Solution

The fourth proportional to 125,102.62, 187,654.56 and 31,608.46 is: 47,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,102.62 : 187,654.56 = 31,608.46 : x
  2. Step 2: Convert to fraction form
    125,102.62/187,654.56 = 31,608.46/x
  3. Step 3: Cross multiply
    125,102.62x = 187,654.56 × 31,608.46
  4. Step 4: Simplify right side
    125,102.62x = 5,931,471,653.58
  5. Step 5: Solve for x
    x = 5,931,471,653.58/125,102.62
  6. Step 6: Final answer
    x = 47,412.85

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