Home / 181,179.47-250,019.33-100,612.15

Finding the Fourth Proportional to 181,179.47, 250,019.33 and 100,612.15

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Solution

The fourth proportional to 181,179.47, 250,019.33 and 100,612.15 is: 138,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,179.47 : 250,019.33 = 100,612.15 : x
  2. Step 2: Convert to fraction form
    181,179.47/250,019.33 = 100,612.15/x
  3. Step 3: Cross multiply
    181,179.47x = 250,019.33 × 100,612.15
  4. Step 4: Simplify right side
    181,179.47x = 25,154,981,204.75
  5. Step 5: Solve for x
    x = 25,154,981,204.75/181,179.47
  6. Step 6: Final answer
    x = 138,840.13

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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.