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Finding the Fourth Proportional to 132,562.80, 198,844.20 and 43,819.20

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Solution

The fourth proportional to 132,562.80, 198,844.20 and 43,819.20 is: 65,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,562.80 : 198,844.20 = 43,819.20 : x
  2. Step 2: Convert to fraction form
    132,562.80/198,844.20 = 43,819.20/x
  3. Step 3: Cross multiply
    132,562.80x = 198,844.20 × 43,819.20
  4. Step 4: Simplify right side
    132,562.80x = 8,713,193,768.64
  5. Step 5: Solve for x
    x = 8,713,193,768.64/132,562.80
  6. Step 6: Final answer
    x = 65,728.80

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