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Finding the Fourth Proportional to 124,920.20, 187,526.10 and 71,654.60

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Solution

The fourth proportional to 124,920.20, 187,526.10 and 71,654.60 is: 107,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.20 : 187,526.10 = 71,654.60 : x
  2. Step 2: Convert to fraction form
    124,920.20/187,526.10 = 71,654.60/x
  3. Step 3: Cross multiply
    124,920.20x = 187,526.10 × 71,654.60
  4. Step 4: Simplify right side
    124,920.20x = 13,437,107,685.06
  5. Step 5: Solve for x
    x = 13,437,107,685.06/124,920.20
  6. Step 6: Final answer
    x = 107,565.53

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