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Finding the Fourth Proportional to 132,136.38, 198,204.66 and 38,642.22

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Solution

The fourth proportional to 132,136.38, 198,204.66 and 38,642.22 is: 57,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,136.38 : 198,204.66 = 38,642.22 : x
  2. Step 2: Convert to fraction form
    132,136.38/198,204.66 = 38,642.22/x
  3. Step 3: Cross multiply
    132,136.38x = 198,204.66 × 38,642.22
  4. Step 4: Simplify right side
    132,136.38x = 7,659,068,076.75
  5. Step 5: Solve for x
    x = 7,659,068,076.75/132,136.38
  6. Step 6: Final answer
    x = 57,963.36

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