Home / 172,550.20-258,812.92-54,255.37

Finding the Fourth Proportional to 172,550.20, 258,812.92 and 54,255.37

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Solution

The fourth proportional to 172,550.20, 258,812.92 and 54,255.37 is: 81,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,550.20 : 258,812.92 = 54,255.37 : x
  2. Step 2: Convert to fraction form
    172,550.20/258,812.92 = 54,255.37/x
  3. Step 3: Cross multiply
    172,550.20x = 258,812.92 × 54,255.37
  4. Step 4: Simplify right side
    172,550.20x = 14,041,990,641.44
  5. Step 5: Solve for x
    x = 14,041,990,641.44/172,550.20
  6. Step 6: Final answer
    x = 81,379.16

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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.