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Finding the Fourth Proportional to 216,385.43, 324,193.59 and 132,105.74

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Solution

The fourth proportional to 216,385.43, 324,193.59 and 132,105.74 is: 197,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,385.43 : 324,193.59 = 132,105.74 : x
  2. Step 2: Convert to fraction form
    216,385.43/324,193.59 = 132,105.74/x
  3. Step 3: Cross multiply
    216,385.43x = 324,193.59 × 132,105.74
  4. Step 4: Simplify right side
    216,385.43x = 42,827,832,489.24
  5. Step 5: Solve for x
    x = 42,827,832,489.24/216,385.43
  6. Step 6: Final answer
    x = 197,923.83

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