Home / 172,147.33-258,221.04-53,819.74

Finding the Fourth Proportional to 172,147.33, 258,221.04 and 53,819.74

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Solution

The fourth proportional to 172,147.33, 258,221.04 and 53,819.74 is: 80,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,147.33 : 258,221.04 = 53,819.74 : x
  2. Step 2: Convert to fraction form
    172,147.33/258,221.04 = 53,819.74/x
  3. Step 3: Cross multiply
    172,147.33x = 258,221.04 × 53,819.74
  4. Step 4: Simplify right side
    172,147.33x = 13,897,389,235.33
  5. Step 5: Solve for x
    x = 13,897,389,235.33/172,147.33
  6. Step 6: Final answer
    x = 80,729.62

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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.