Home / 172,553.12-258,727.62-67,249.16

Finding the Fourth Proportional to 172,553.12, 258,727.62 and 67,249.16

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Solution

The fourth proportional to 172,553.12, 258,727.62 and 67,249.16 is: 100,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,553.12 : 258,727.62 = 67,249.16 : x
  2. Step 2: Convert to fraction form
    172,553.12/258,727.62 = 67,249.16/x
  3. Step 3: Cross multiply
    172,553.12x = 258,727.62 × 67,249.16
  4. Step 4: Simplify right side
    172,553.12x = 17,399,215,113.80
  5. Step 5: Solve for x
    x = 17,399,215,113.80/172,553.12
  6. Step 6: Final answer
    x = 100,833.96

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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.