Home / 80,172.38-120,224.71-24,020.45

Finding the Fourth Proportional to 80,172.38, 120,224.71 and 24,020.45

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Solution

The fourth proportional to 80,172.38, 120,224.71 and 24,020.45 is: 36,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172.38 : 120,224.71 = 24,020.45 : x
  2. Step 2: Convert to fraction form
    80,172.38/120,224.71 = 24,020.45/x
  3. Step 3: Cross multiply
    80,172.38x = 120,224.71 × 24,020.45
  4. Step 4: Simplify right side
    80,172.38x = 2,887,851,379.95
  5. Step 5: Solve for x
    x = 2,887,851,379.95/80,172.38
  6. Step 6: Final answer
    x = 36,020.53

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1.5x scale

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.