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Finding the Fourth Proportional to 172,468.01, 238,003.48 and 95,987.09

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Solution

The fourth proportional to 172,468.01, 238,003.48 and 95,987.09 is: 132,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,468.01 : 238,003.48 = 95,987.09 : x
  2. Step 2: Convert to fraction form
    172,468.01/238,003.48 = 95,987.09/x
  3. Step 3: Cross multiply
    172,468.01x = 238,003.48 × 95,987.09
  4. Step 4: Simplify right side
    172,468.01x = 22,845,260,761.04
  5. Step 5: Solve for x
    x = 22,845,260,761.04/172,468.01
  6. Step 6: Final answer
    x = 132,460.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.