Home / 80,269.01-120,404.70-38,153.39

Finding the Fourth Proportional to 80,269.01, 120,404.70 and 38,153.39

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Solution

The fourth proportional to 80,269.01, 120,404.70 and 38,153.39 is: 57,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,269.01 : 120,404.70 = 38,153.39 : x
  2. Step 2: Convert to fraction form
    80,269.01/120,404.70 = 38,153.39/x
  3. Step 3: Cross multiply
    80,269.01x = 120,404.70 × 38,153.39
  4. Step 4: Simplify right side
    80,269.01x = 4,593,846,874.91
  5. Step 5: Solve for x
    x = 4,593,846,874.91/80,269.01
  6. Step 6: Final answer
    x = 57,230.64

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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.