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Finding the Fourth Proportional to 229,773.36, 317,115.72 and 129,171.36

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Solution

The fourth proportional to 229,773.36, 317,115.72 and 129,171.36 is: 178,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,773.36 : 317,115.72 = 129,171.36 : x
  2. Step 2: Convert to fraction form
    229,773.36/317,115.72 = 129,171.36/x
  3. Step 3: Cross multiply
    229,773.36x = 317,115.72 × 129,171.36
  4. Step 4: Simplify right side
    229,773.36x = 40,962,268,829.78
  5. Step 5: Solve for x
    x = 40,962,268,829.78/229,773.36
  6. Step 6: Final answer
    x = 178,272.49

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