Home / 172,734.85-258,517.05-106,217.11

Finding the Fourth Proportional to 172,734.85, 258,517.05 and 106,217.11

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Solution

The fourth proportional to 172,734.85, 258,517.05 and 106,217.11 is: 158,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,734.85 : 258,517.05 = 106,217.11 : x
  2. Step 2: Convert to fraction form
    172,734.85/258,517.05 = 106,217.11/x
  3. Step 3: Cross multiply
    172,734.85x = 258,517.05 × 106,217.11
  4. Step 4: Simplify right side
    172,734.85x = 27,458,933,936.73
  5. Step 5: Solve for x
    x = 27,458,933,936.73/172,734.85
  6. Step 6: Final answer
    x = 158,965.80

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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.