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Finding the Fourth Proportional to 92,517.40, 138,743.70 and 48,129.40

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Solution

The fourth proportional to 92,517.40, 138,743.70 and 48,129.40 is: 72,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,517.40 : 138,743.70 = 48,129.40 : x
  2. Step 2: Convert to fraction form
    92,517.40/138,743.70 = 48,129.40/x
  3. Step 3: Cross multiply
    92,517.40x = 138,743.70 × 48,129.40
  4. Step 4: Simplify right side
    92,517.40x = 6,677,651,034.78
  5. Step 5: Solve for x
    x = 6,677,651,034.78/92,517.40
  6. Step 6: Final answer
    x = 72,177.24

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