Home / 181,181.24-250,021.72-100,613.88

Finding the Fourth Proportional to 181,181.24, 250,021.72 and 100,613.88

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Solution

The fourth proportional to 181,181.24, 250,021.72 and 100,613.88 is: 138,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,181.24 : 250,021.72 = 100,613.88 : x
  2. Step 2: Convert to fraction form
    181,181.24/250,021.72 = 100,613.88/x
  3. Step 3: Cross multiply
    181,181.24x = 250,021.72 × 100,613.88
  4. Step 4: Simplify right side
    181,181.24x = 25,155,655,333.47
  5. Step 5: Solve for x
    x = 25,155,655,333.47/181,181.24
  6. Step 6: Final answer
    x = 138,842.49

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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.