Home / 80,181.26-120,269.38-38,091.62

Finding the Fourth Proportional to 80,181.26, 120,269.38 and 38,091.62

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Solution

The fourth proportional to 80,181.26, 120,269.38 and 38,091.62 is: 57,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,181.26 : 120,269.38 = 38,091.62 : x
  2. Step 2: Convert to fraction form
    80,181.26/120,269.38 = 38,091.62/x
  3. Step 3: Cross multiply
    80,181.26x = 120,269.38 × 38,091.62
  4. Step 4: Simplify right side
    80,181.26x = 4,581,255,520.60
  5. Step 5: Solve for x
    x = 4,581,255,520.60/80,181.26
  6. Step 6: Final answer
    x = 57,136.24

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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.