Home / 198,570.68-298,003.67-80,243.04

Finding the Fourth Proportional to 198,570.68, 298,003.67 and 80,243.04

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Solution

The fourth proportional to 198,570.68, 298,003.67 and 80,243.04 is: 120,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570.68 : 298,003.67 = 80,243.04 : x
  2. Step 2: Convert to fraction form
    198,570.68/298,003.67 = 80,243.04/x
  3. Step 3: Cross multiply
    198,570.68x = 298,003.67 × 80,243.04
  4. Step 4: Simplify right side
    198,570.68x = 23,912,720,612.56
  5. Step 5: Solve for x
    x = 23,912,720,612.56/198,570.68
  6. Step 6: Final answer
    x = 120,424.23

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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.