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Finding the Fourth Proportional to 99,764.91, 137,675.25 and 54,442.89

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Solution

The fourth proportional to 99,764.91, 137,675.25 and 54,442.89 is: 75,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,764.91 : 137,675.25 = 54,442.89 : x
  2. Step 2: Convert to fraction form
    99,764.91/137,675.25 = 54,442.89/x
  3. Step 3: Cross multiply
    99,764.91x = 137,675.25 × 54,442.89
  4. Step 4: Simplify right side
    99,764.91x = 7,495,438,491.47
  5. Step 5: Solve for x
    x = 7,495,438,491.47/99,764.91
  6. Step 6: Final answer
    x = 75,131.01

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