Home / 172,490.11-258,736.38-60,169.84

Finding the Fourth Proportional to 172,490.11, 258,736.38 and 60,169.84

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Solution

The fourth proportional to 172,490.11, 258,736.38 and 60,169.84 is: 90,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,490.11 : 258,736.38 = 60,169.84 : x
  2. Step 2: Convert to fraction form
    172,490.11/258,736.38 = 60,169.84/x
  3. Step 3: Cross multiply
    172,490.11x = 258,736.38 × 60,169.84
  4. Step 4: Simplify right side
    172,490.11x = 15,568,125,714.30
  5. Step 5: Solve for x
    x = 15,568,125,714.30/172,490.11
  6. Step 6: Final answer
    x = 90,255.18

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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.