Home / 173,854.20-260,954.10-85,207.80

Finding the Fourth Proportional to 173,854.20, 260,954.10 and 85,207.80

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Solution

The fourth proportional to 173,854.20, 260,954.10 and 85,207.80 is: 127,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,854.20 : 260,954.10 = 85,207.80 : x
  2. Step 2: Convert to fraction form
    173,854.20/260,954.10 = 85,207.80/x
  3. Step 3: Cross multiply
    173,854.20x = 260,954.10 × 85,207.80
  4. Step 4: Simplify right side
    173,854.20x = 22,235,324,761.98
  5. Step 5: Solve for x
    x = 22,235,324,761.98/173,854.20
  6. Step 6: Final answer
    x = 127,896.39

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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.