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Finding the Fourth Proportional to 137,832.80, 206,749.20 and 132,000.80

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Solution

The fourth proportional to 137,832.80, 206,749.20 and 132,000.80 is: 198,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,832.80 : 206,749.20 = 132,000.80 : x
  2. Step 2: Convert to fraction form
    137,832.80/206,749.20 = 132,000.80/x
  3. Step 3: Cross multiply
    137,832.80x = 206,749.20 × 132,000.80
  4. Step 4: Simplify right side
    137,832.80x = 27,291,059,799.36
  5. Step 5: Solve for x
    x = 27,291,059,799.36/137,832.80
  6. Step 6: Final answer
    x = 198,001.20

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