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Finding the Fourth Proportional to 167,921.40, 251,882.10 and 129,867.60

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Solution

The fourth proportional to 167,921.40, 251,882.10 and 129,867.60 is: 194,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,921.40 : 251,882.10 = 129,867.60 : x
  2. Step 2: Convert to fraction form
    167,921.40/251,882.10 = 129,867.60/x
  3. Step 3: Cross multiply
    167,921.40x = 251,882.10 × 129,867.60
  4. Step 4: Simplify right side
    167,921.40x = 32,711,323,809.96
  5. Step 5: Solve for x
    x = 32,711,323,809.96/167,921.40
  6. Step 6: Final answer
    x = 194,801.40

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