Home / 172,744.92-258,920.82-105,127.79

Finding the Fourth Proportional to 172,744.92, 258,920.82 and 105,127.79

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Solution

The fourth proportional to 172,744.92, 258,920.82 and 105,127.79 is: 157,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,744.92 : 258,920.82 = 105,127.79 : x
  2. Step 2: Convert to fraction form
    172,744.92/258,920.82 = 105,127.79/x
  3. Step 3: Cross multiply
    172,744.92x = 258,920.82 × 105,127.79
  4. Step 4: Simplify right side
    172,744.92x = 27,219,772,296.98
  5. Step 5: Solve for x
    x = 27,219,772,296.98/172,744.92
  6. Step 6: Final answer
    x = 157,572.06

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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.