Home / 80,172.09-120,224.31-24,020.18

Finding the Fourth Proportional to 80,172.09, 120,224.31 and 24,020.18

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Solution

The fourth proportional to 80,172.09, 120,224.31 and 24,020.18 is: 36,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172.09 : 120,224.31 = 24,020.18 : x
  2. Step 2: Convert to fraction form
    80,172.09/120,224.31 = 24,020.18/x
  3. Step 3: Cross multiply
    80,172.09x = 120,224.31 × 24,020.18
  4. Step 4: Simplify right side
    80,172.09x = 2,887,809,566.58
  5. Step 5: Solve for x
    x = 2,887,809,566.58/80,172.09
  6. Step 6: Final answer
    x = 36,020.14

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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.