Home / 172,317.33-258,476.13-53,997.89

Finding the Fourth Proportional to 172,317.33, 258,476.13 and 53,997.89

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Solution

The fourth proportional to 172,317.33, 258,476.13 and 53,997.89 is: 80,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,317.33 : 258,476.13 = 53,997.89 : x
  2. Step 2: Convert to fraction form
    172,317.33/258,476.13 = 53,997.89/x
  3. Step 3: Cross multiply
    172,317.33x = 258,476.13 × 53,997.89
  4. Step 4: Simplify right side
    172,317.33x = 13,957,164,342.99
  5. Step 5: Solve for x
    x = 13,957,164,342.99/172,317.33
  6. Step 6: Final answer
    x = 80,996.87

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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.