Home / 172,747.49-259,143.10-67,552.79

Finding the Fourth Proportional to 172,747.49, 259,143.10 and 67,552.79

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Solution

The fourth proportional to 172,747.49, 259,143.10 and 67,552.79 is: 101,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,747.49 : 259,143.10 = 67,552.79 : x
  2. Step 2: Convert to fraction form
    172,747.49/259,143.10 = 67,552.79/x
  3. Step 3: Cross multiply
    172,747.49x = 259,143.10 × 67,552.79
  4. Step 4: Simplify right side
    172,747.49x = 17,505,837,949.65
  5. Step 5: Solve for x
    x = 17,505,837,949.65/172,747.49
  6. Step 6: Final answer
    x = 101,337.73

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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.