Home / 82,082.08-123,134.88-25,903.20

Finding the Fourth Proportional to 82,082.08, 123,134.88 and 25,903.20

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Solution

The fourth proportional to 82,082.08, 123,134.88 and 25,903.20 is: 38,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,082.08 : 123,134.88 = 25,903.20 : x
  2. Step 2: Convert to fraction form
    82,082.08/123,134.88 = 25,903.20/x
  3. Step 3: Cross multiply
    82,082.08x = 123,134.88 × 25,903.20
  4. Step 4: Simplify right side
    82,082.08x = 3,189,587,423.62
  5. Step 5: Solve for x
    x = 3,189,587,423.62/82,082.08
  6. Step 6: Final answer
    x = 38,858.51

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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.