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Finding the Fourth Proportional to 137,167.20, 205,765.68 and 43,651.20

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Solution

The fourth proportional to 137,167.20, 205,765.68 and 43,651.20 is: 65,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,167.20 : 205,765.68 = 43,651.20 : x
  2. Step 2: Convert to fraction form
    137,167.20/205,765.68 = 43,651.20/x
  3. Step 3: Cross multiply
    137,167.20x = 205,765.68 × 43,651.20
  4. Step 4: Simplify right side
    137,167.20x = 8,981,918,850.82
  5. Step 5: Solve for x
    x = 8,981,918,850.82/137,167.20
  6. Step 6: Final answer
    x = 65,481.54

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