Home / 230,560.18-345,872.63-80,766.18

Finding the Fourth Proportional to 230,560.18, 345,872.63 and 80,766.18

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Solution

The fourth proportional to 230,560.18, 345,872.63 and 80,766.18 is: 121,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,560.18 : 345,872.63 = 80,766.18 : x
  2. Step 2: Convert to fraction form
    230,560.18/345,872.63 = 80,766.18/x
  3. Step 3: Cross multiply
    230,560.18x = 345,872.63 × 80,766.18
  4. Step 4: Simplify right side
    230,560.18x = 27,934,811,293.57
  5. Step 5: Solve for x
    x = 27,934,811,293.57/230,560.18
  6. Step 6: Final answer
    x = 121,160.61

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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.