Home / 181,269.20-250,144.54-100,701.78

Finding the Fourth Proportional to 181,269.20, 250,144.54 and 100,701.78

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Solution

The fourth proportional to 181,269.20, 250,144.54 and 100,701.78 is: 138,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,269.20 : 250,144.54 = 100,701.78 : x
  2. Step 2: Convert to fraction form
    181,269.20/250,144.54 = 100,701.78/x
  3. Step 3: Cross multiply
    181,269.20x = 250,144.54 × 100,701.78
  4. Step 4: Simplify right side
    181,269.20x = 25,190,000,435.28
  5. Step 5: Solve for x
    x = 25,190,000,435.28/181,269.20
  6. Step 6: Final answer
    x = 138,964.59

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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.