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Finding the Fourth Proportional to 132,068.40, 198,248.40 and 82,204.80

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Solution

The fourth proportional to 132,068.40, 198,248.40 and 82,204.80 is: 123,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,068.40 : 198,248.40 = 82,204.80 : x
  2. Step 2: Convert to fraction form
    132,068.40/198,248.40 = 82,204.80/x
  3. Step 3: Cross multiply
    132,068.40x = 198,248.40 × 82,204.80
  4. Step 4: Simplify right side
    132,068.40x = 16,296,970,072.32
  5. Step 5: Solve for x
    x = 16,296,970,072.32/132,068.40
  6. Step 6: Final answer
    x = 123,397.95

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