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Finding the Fourth Proportional to 125,301.33, 172,921.23 and 71,590.43

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Solution

The fourth proportional to 125,301.33, 172,921.23 and 71,590.43 is: 98,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301.33 : 172,921.23 = 71,590.43 : x
  2. Step 2: Convert to fraction form
    125,301.33/172,921.23 = 71,590.43/x
  3. Step 3: Cross multiply
    125,301.33x = 172,921.23 × 71,590.43
  4. Step 4: Simplify right side
    125,301.33x = 12,379,505,644.13
  5. Step 5: Solve for x
    x = 12,379,505,644.13/125,301.33
  6. Step 6: Final answer
    x = 98,797.88

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