Home / 215,205.89-322,806.20-96,793.61

Finding the Fourth Proportional to 215,205.89, 322,806.20 and 96,793.61

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Solution

The fourth proportional to 215,205.89, 322,806.20 and 96,793.61 is: 145,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,205.89 : 322,806.20 = 96,793.61 : x
  2. Step 2: Convert to fraction form
    215,205.89/322,806.20 = 96,793.61/x
  3. Step 3: Cross multiply
    215,205.89x = 322,806.20 × 96,793.61
  4. Step 4: Simplify right side
    215,205.89x = 31,245,575,330.38
  5. Step 5: Solve for x
    x = 31,245,575,330.38/215,205.89
  6. Step 6: Final answer
    x = 145,189.22

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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.