Home / 172,375.20-258,587.10-54,034.20

Finding the Fourth Proportional to 172,375.20, 258,587.10 and 54,034.20

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Solution

The fourth proportional to 172,375.20, 258,587.10 and 54,034.20 is: 81,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,375.20 : 258,587.10 = 54,034.20 : x
  2. Step 2: Convert to fraction form
    172,375.20/258,587.10 = 54,034.20/x
  3. Step 3: Cross multiply
    172,375.20x = 258,587.10 × 54,034.20
  4. Step 4: Simplify right side
    172,375.20x = 13,972,547,078.82
  5. Step 5: Solve for x
    x = 13,972,547,078.82/172,375.20
  6. Step 6: Final answer
    x = 81,058.92

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1.5x scale

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.