Home / 80,180.22-120,269.16-27,590.16

Finding the Fourth Proportional to 80,180.22, 120,269.16 and 27,590.16

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Solution

The fourth proportional to 80,180.22, 120,269.16 and 27,590.16 is: 41,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,180.22 : 120,269.16 = 27,590.16 : x
  2. Step 2: Convert to fraction form
    80,180.22/120,269.16 = 27,590.16/x
  3. Step 3: Cross multiply
    80,180.22x = 120,269.16 × 27,590.16
  4. Step 4: Simplify right side
    80,180.22x = 3,318,245,367.47
  5. Step 5: Solve for x
    x = 3,318,245,367.47/80,180.22
  6. Step 6: Final answer
    x = 41,384.84

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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.