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Finding the Fourth Proportional to 132,234.40, 198,481.20 and 65,749.60

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Solution

The fourth proportional to 132,234.40, 198,481.20 and 65,749.60 is: 98,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,234.40 : 198,481.20 = 65,749.60 : x
  2. Step 2: Convert to fraction form
    132,234.40/198,481.20 = 65,749.60/x
  3. Step 3: Cross multiply
    132,234.40x = 198,481.20 × 65,749.60
  4. Step 4: Simplify right side
    132,234.40x = 13,050,059,507.52
  5. Step 5: Solve for x
    x = 13,050,059,507.52/132,234.40
  6. Step 6: Final answer
    x = 98,688.84

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