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Finding the Fourth Proportional to 99,404.25, 137,177.87 and 54,692.25

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Solution

The fourth proportional to 99,404.25, 137,177.87 and 54,692.25 is: 75,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,404.25 : 137,177.87 = 54,692.25 : x
  2. Step 2: Convert to fraction form
    99,404.25/137,177.87 = 54,692.25/x
  3. Step 3: Cross multiply
    99,404.25x = 137,177.87 × 54,692.25
  4. Step 4: Simplify right side
    99,404.25x = 7,502,566,087.05
  5. Step 5: Solve for x
    x = 7,502,566,087.05/99,404.25
  6. Step 6: Final answer
    x = 75,475.31

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