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Finding the Fourth Proportional to 54,151.80, 81,227.70 and 53,374.20

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Solution

The fourth proportional to 54,151.80, 81,227.70 and 53,374.20 is: 80,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.80 : 81,227.70 = 53,374.20 : x
  2. Step 2: Convert to fraction form
    54,151.80/81,227.70 = 53,374.20/x
  3. Step 3: Cross multiply
    54,151.80x = 81,227.70 × 53,374.20
  4. Step 4: Simplify right side
    54,151.80x = 4,335,463,505.34
  5. Step 5: Solve for x
    x = 4,335,463,505.34/54,151.80
  6. Step 6: Final answer
    x = 80,061.30

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