Home / 172,520.44-258,778.18-54,198.88

Finding the Fourth Proportional to 172,520.44, 258,778.18 and 54,198.88

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Solution

The fourth proportional to 172,520.44, 258,778.18 and 54,198.88 is: 81,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,520.44 : 258,778.18 = 54,198.88 : x
  2. Step 2: Convert to fraction form
    172,520.44/258,778.18 = 54,198.88/x
  3. Step 3: Cross multiply
    172,520.44x = 258,778.18 × 54,198.88
  4. Step 4: Simplify right side
    172,520.44x = 14,025,487,524.44
  5. Step 5: Solve for x
    x = 14,025,487,524.44/172,520.44
  6. Step 6: Final answer
    x = 81,297.54

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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.