Home / 172,207.92-258,261.66-67,001.88

Finding the Fourth Proportional to 172,207.92, 258,261.66 and 67,001.88

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Solution

The fourth proportional to 172,207.92, 258,261.66 and 67,001.88 is: 100,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,207.92 : 258,261.66 = 67,001.88 : x
  2. Step 2: Convert to fraction form
    172,207.92/258,261.66 = 67,001.88/x
  3. Step 3: Cross multiply
    172,207.92x = 258,261.66 × 67,001.88
  4. Step 4: Simplify right side
    172,207.92x = 17,304,016,751.92
  5. Step 5: Solve for x
    x = 17,304,016,751.92/172,207.92
  6. Step 6: Final answer
    x = 100,483.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.