Home / 143,687.13-198,288.26-80,024.93

Finding the Fourth Proportional to 143,687.13, 198,288.26 and 80,024.93

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Solution

The fourth proportional to 143,687.13, 198,288.26 and 80,024.93 is: 110,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,687.13 : 198,288.26 = 80,024.93 : x
  2. Step 2: Convert to fraction form
    143,687.13/198,288.26 = 80,024.93/x
  3. Step 3: Cross multiply
    143,687.13x = 198,288.26 × 80,024.93
  4. Step 4: Simplify right side
    143,687.13x = 15,868,002,734.76
  5. Step 5: Solve for x
    x = 15,868,002,734.76/143,687.13
  6. Step 6: Final answer
    x = 110,434.41

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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.