Home / 198,921.20-274,510.98-108,276.89

Finding the Fourth Proportional to 198,921.20, 274,510.98 and 108,276.89

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Solution

The fourth proportional to 198,921.20, 274,510.98 and 108,276.89 is: 149,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,921.20 : 274,510.98 = 108,276.89 : x
  2. Step 2: Convert to fraction form
    198,921.20/274,510.98 = 108,276.89/x
  3. Step 3: Cross multiply
    198,921.20x = 274,510.98 × 108,276.89
  4. Step 4: Simplify right side
    198,921.20x = 29,723,193,812.70
  5. Step 5: Solve for x
    x = 29,723,193,812.70/198,921.20
  6. Step 6: Final answer
    x = 149,421.95

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