Home / 220,765.23-331,197.24-80,523.86

Finding the Fourth Proportional to 220,765.23, 331,197.24 and 80,523.86

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Solution

The fourth proportional to 220,765.23, 331,197.24 and 80,523.86 is: 120,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,765.23 : 331,197.24 = 80,523.86 : x
  2. Step 2: Convert to fraction form
    220,765.23/331,197.24 = 80,523.86/x
  3. Step 3: Cross multiply
    220,765.23x = 331,197.24 × 80,523.86
  4. Step 4: Simplify right side
    220,765.23x = 26,669,280,186.15
  5. Step 5: Solve for x
    x = 26,669,280,186.15/220,765.23
  6. Step 6: Final answer
    x = 120,803.81

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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.