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Finding the Fourth Proportional to 80,231.80, 120,218.10 and 50,596.60

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Solution

The fourth proportional to 80,231.80, 120,218.10 and 50,596.60 is: 75,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.80 : 120,218.10 = 50,596.60 : x
  2. Step 2: Convert to fraction form
    80,231.80/120,218.10 = 50,596.60/x
  3. Step 3: Cross multiply
    80,231.80x = 120,218.10 × 50,596.60
  4. Step 4: Simplify right side
    80,231.80x = 6,082,627,118.46
  5. Step 5: Solve for x
    x = 6,082,627,118.46/80,231.80
  6. Step 6: Final answer
    x = 75,813.17

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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.