Home / 172,035.91-258,053.85-53,717.38

Finding the Fourth Proportional to 172,035.91, 258,053.85 and 53,717.38

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Solution

The fourth proportional to 172,035.91, 258,053.85 and 53,717.38 is: 80,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,035.91 : 258,053.85 = 53,717.38 : x
  2. Step 2: Convert to fraction form
    172,035.91/258,053.85 = 53,717.38/x
  3. Step 3: Cross multiply
    172,035.91x = 258,053.85 × 53,717.38
  4. Step 4: Simplify right side
    172,035.91x = 13,861,976,720.91
  5. Step 5: Solve for x
    x = 13,861,976,720.91/172,035.91
  6. Step 6: Final answer
    x = 80,576.07

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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.