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Finding the Fourth Proportional to 159,613.66, 220,286.79 and 91,651.90

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Solution

The fourth proportional to 159,613.66, 220,286.79 and 91,651.90 is: 126,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,613.66 : 220,286.79 = 91,651.90 : x
  2. Step 2: Convert to fraction form
    159,613.66/220,286.79 = 91,651.90/x
  3. Step 3: Cross multiply
    159,613.66x = 220,286.79 × 91,651.90
  4. Step 4: Simplify right side
    159,613.66x = 20,189,702,848.40
  5. Step 5: Solve for x
    x = 20,189,702,848.40/159,613.66
  6. Step 6: Final answer
    x = 126,491.07

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