Home / 172,434.92-258,663.31-54,110.93

Finding the Fourth Proportional to 172,434.92, 258,663.31 and 54,110.93

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Solution

The fourth proportional to 172,434.92, 258,663.31 and 54,110.93 is: 81,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,434.92 : 258,663.31 = 54,110.93 : x
  2. Step 2: Convert to fraction form
    172,434.92/258,663.31 = 54,110.93/x
  3. Step 3: Cross multiply
    172,434.92x = 258,663.31 × 54,110.93
  4. Step 4: Simplify right side
    172,434.92x = 13,996,511,614.32
  5. Step 5: Solve for x
    x = 13,996,511,614.32/172,434.92
  6. Step 6: Final answer
    x = 81,169.82

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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.