Home / 172,820.17-259,229.85-67,565.13

Finding the Fourth Proportional to 172,820.17, 259,229.85 and 67,565.13

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Solution

The fourth proportional to 172,820.17, 259,229.85 and 67,565.13 is: 101,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,820.17 : 259,229.85 = 67,565.13 : x
  2. Step 2: Convert to fraction form
    172,820.17/259,229.85 = 67,565.13/x
  3. Step 3: Cross multiply
    172,820.17x = 259,229.85 × 67,565.13
  4. Step 4: Simplify right side
    172,820.17x = 17,514,898,515.13
  5. Step 5: Solve for x
    x = 17,514,898,515.13/172,820.17
  6. Step 6: Final answer
    x = 101,347.54

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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.