Home / 80,224.51-120,339.56-38,082.88

Finding the Fourth Proportional to 80,224.51, 120,339.56 and 38,082.88

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Solution

The fourth proportional to 80,224.51, 120,339.56 and 38,082.88 is: 57,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224.51 : 120,339.56 = 38,082.88 : x
  2. Step 2: Convert to fraction form
    80,224.51/120,339.56 = 38,082.88/x
  3. Step 3: Cross multiply
    80,224.51x = 120,339.56 × 38,082.88
  4. Step 4: Simplify right side
    80,224.51x = 4,582,877,553.27
  5. Step 5: Solve for x
    x = 4,582,877,553.27/80,224.51
  6. Step 6: Final answer
    x = 57,125.65

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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.