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Finding the Fourth Proportional to 132,003.80, 198,005.70 and 118,640.60

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Solution

The fourth proportional to 132,003.80, 198,005.70 and 118,640.60 is: 177,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.80 : 198,005.70 = 118,640.60 : x
  2. Step 2: Convert to fraction form
    132,003.80/198,005.70 = 118,640.60/x
  3. Step 3: Cross multiply
    132,003.80x = 198,005.70 × 118,640.60
  4. Step 4: Simplify right side
    132,003.80x = 23,491,515,051.42
  5. Step 5: Solve for x
    x = 23,491,515,051.42/132,003.80
  6. Step 6: Final answer
    x = 177,960.90

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