Home / 80,944.68-121,417.02-25,545

Finding the Fourth Proportional to 80,944.68, 121,417.02 and 25,545

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Solution

The fourth proportional to 80,944.68, 121,417.02 and 25,545 is: 38,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,944.68 : 121,417.02 = 25,545 : x
  2. Step 2: Convert to fraction form
    80,944.68/121,417.02 = 25,545/x
  3. Step 3: Cross multiply
    80,944.68x = 121,417.02 × 25,545
  4. Step 4: Simplify right side
    80,944.68x = 3,101,597,775.90
  5. Step 5: Solve for x
    x = 3,101,597,775.90/80,944.68
  6. Step 6: Final answer
    x = 38,317.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.