Home / 181,179.23-250,018.98-100,611.90

Finding the Fourth Proportional to 181,179.23, 250,018.98 and 100,611.90

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Solution

The fourth proportional to 181,179.23, 250,018.98 and 100,611.90 is: 138,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,179.23 : 250,018.98 = 100,611.90 : x
  2. Step 2: Convert to fraction form
    181,179.23/250,018.98 = 100,611.90/x
  3. Step 3: Cross multiply
    181,179.23x = 250,018.98 × 100,611.90
  4. Step 4: Simplify right side
    181,179.23x = 25,154,884,613.86
  5. Step 5: Solve for x
    x = 25,154,884,613.86/181,179.23
  6. Step 6: Final answer
    x = 138,839.78

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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.