Home / 144,082.27-198,825.42-80,424.16

Finding the Fourth Proportional to 144,082.27, 198,825.42 and 80,424.16

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Solution

The fourth proportional to 144,082.27, 198,825.42 and 80,424.16 is: 110,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,082.27 : 198,825.42 = 80,424.16 : x
  2. Step 2: Convert to fraction form
    144,082.27/198,825.42 = 80,424.16/x
  3. Step 3: Cross multiply
    144,082.27x = 198,825.42 × 80,424.16
  4. Step 4: Simplify right side
    144,082.27x = 15,990,367,390.15
  5. Step 5: Solve for x
    x = 15,990,367,390.15/144,082.27
  6. Step 6: Final answer
    x = 110,980.81

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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.