Home / 172,315.05-258,472.67-53,995.65

Finding the Fourth Proportional to 172,315.05, 258,472.67 and 53,995.65

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Solution

The fourth proportional to 172,315.05, 258,472.67 and 53,995.65 is: 80,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,315.05 : 258,472.67 = 53,995.65 : x
  2. Step 2: Convert to fraction form
    172,315.05/258,472.67 = 53,995.65/x
  3. Step 3: Cross multiply
    172,315.05x = 258,472.67 × 53,995.65
  4. Step 4: Simplify right side
    172,315.05x = 13,956,399,553.91
  5. Step 5: Solve for x
    x = 13,956,399,553.91/172,315.05
  6. Step 6: Final answer
    x = 80,993.50

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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.