Home / 80,115.16-119,997.60-40,604.44

Finding the Fourth Proportional to 80,115.16, 119,997.60 and 40,604.44

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Solution

The fourth proportional to 80,115.16, 119,997.60 and 40,604.44 is: 60,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,115.16 : 119,997.60 = 40,604.44 : x
  2. Step 2: Convert to fraction form
    80,115.16/119,997.60 = 40,604.44/x
  3. Step 3: Cross multiply
    80,115.16x = 119,997.60 × 40,604.44
  4. Step 4: Simplify right side
    80,115.16x = 4,872,435,349.34
  5. Step 5: Solve for x
    x = 4,872,435,349.34/80,115.16
  6. Step 6: Final answer
    x = 60,817.89

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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.