Home / 181,213.91-250,082.24-100,647.56

Finding the Fourth Proportional to 181,213.91, 250,082.24 and 100,647.56

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Solution

The fourth proportional to 181,213.91, 250,082.24 and 100,647.56 is: 138,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,213.91 : 250,082.24 = 100,647.56 : x
  2. Step 2: Convert to fraction form
    181,213.91/250,082.24 = 100,647.56/x
  3. Step 3: Cross multiply
    181,213.91x = 250,082.24 × 100,647.56
  4. Step 4: Simplify right side
    181,213.91x = 25,170,167,377.30
  5. Step 5: Solve for x
    x = 25,170,167,377.30/181,213.91
  6. Step 6: Final answer
    x = 138,897.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.