Home / 181,282.86-250,158.78-100,708.92

Finding the Fourth Proportional to 181,282.86, 250,158.78 and 100,708.92

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Solution

The fourth proportional to 181,282.86, 250,158.78 and 100,708.92 is: 138,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,282.86 : 250,158.78 = 100,708.92 : x
  2. Step 2: Convert to fraction form
    181,282.86/250,158.78 = 100,708.92/x
  3. Step 3: Cross multiply
    181,282.86x = 250,158.78 × 100,708.92
  4. Step 4: Simplify right side
    181,282.86x = 25,193,220,562.32
  5. Step 5: Solve for x
    x = 25,193,220,562.32/181,282.86
  6. Step 6: Final answer
    x = 138,971.88

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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.