Home / 150,474.27-207,620.38-102,082.80

Finding the Fourth Proportional to 150,474.27, 207,620.38 and 102,082.80

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Solution

The fourth proportional to 150,474.27, 207,620.38 and 102,082.80 is: 140,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,474.27 : 207,620.38 = 102,082.80 : x
  2. Step 2: Convert to fraction form
    150,474.27/207,620.38 = 102,082.80/x
  3. Step 3: Cross multiply
    150,474.27x = 207,620.38 × 102,082.80
  4. Step 4: Simplify right side
    150,474.27x = 21,194,469,465.78
  5. Step 5: Solve for x
    x = 21,194,469,465.78/150,474.27
  6. Step 6: Final answer
    x = 140,851.12

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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.