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Finding the Fourth Proportional to 151,251.20, 226,876.80 and 81,094.40

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Solution

The fourth proportional to 151,251.20, 226,876.80 and 81,094.40 is: 121,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,251.20 : 226,876.80 = 81,094.40 : x
  2. Step 2: Convert to fraction form
    151,251.20/226,876.80 = 81,094.40/x
  3. Step 3: Cross multiply
    151,251.20x = 226,876.80 × 81,094.40
  4. Step 4: Simplify right side
    151,251.20x = 18,398,437,969.92
  5. Step 5: Solve for x
    x = 18,398,437,969.92/151,251.20
  6. Step 6: Final answer
    x = 121,641.60

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