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Finding the Fourth Proportional to 148,781.43, 205,317.72 and 80,797.92

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Solution

The fourth proportional to 148,781.43, 205,317.72 and 80,797.92 is: 111,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,781.43 : 205,317.72 = 80,797.92 : x
  2. Step 2: Convert to fraction form
    148,781.43/205,317.72 = 80,797.92/x
  3. Step 3: Cross multiply
    148,781.43x = 205,317.72 × 80,797.92
  4. Step 4: Simplify right side
    148,781.43x = 16,589,244,715.14
  5. Step 5: Solve for x
    x = 16,589,244,715.14/148,781.43
  6. Step 6: Final answer
    x = 111,500.77

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