Home / 188,452.16-260,082.28-107,891.20

Finding the Fourth Proportional to 188,452.16, 260,082.28 and 107,891.20

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Solution

The fourth proportional to 188,452.16, 260,082.28 and 107,891.20 is: 148,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,452.16 : 260,082.28 = 107,891.20 : x
  2. Step 2: Convert to fraction form
    188,452.16/260,082.28 = 107,891.20/x
  3. Step 3: Cross multiply
    188,452.16x = 260,082.28 × 107,891.20
  4. Step 4: Simplify right side
    188,452.16x = 28,060,589,287.94
  5. Step 5: Solve for x
    x = 28,060,589,287.94/188,452.16
  6. Step 6: Final answer
    x = 148,900.33

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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.