Home / 172,652.09-238,377.33-108,147.96

Finding the Fourth Proportional to 172,652.09, 238,377.33 and 108,147.96

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Solution

The fourth proportional to 172,652.09, 238,377.33 and 108,147.96 is: 149,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,652.09 : 238,377.33 = 108,147.96 : x
  2. Step 2: Convert to fraction form
    172,652.09/238,377.33 = 108,147.96/x
  3. Step 3: Cross multiply
    172,652.09x = 238,377.33 × 108,147.96
  4. Step 4: Simplify right side
    172,652.09x = 25,780,021,949.75
  5. Step 5: Solve for x
    x = 25,780,021,949.75/172,652.09
  6. Step 6: Final answer
    x = 149,317.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.