Home / 252,939.92-349,057.99-138,218.56

Finding the Fourth Proportional to 252,939.92, 349,057.99 and 138,218.56

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Solution

The fourth proportional to 252,939.92, 349,057.99 and 138,218.56 is: 190,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,939.92 : 349,057.99 = 138,218.56 : x
  2. Step 2: Convert to fraction form
    252,939.92/349,057.99 = 138,218.56/x
  3. Step 3: Cross multiply
    252,939.92x = 349,057.99 × 138,218.56
  4. Step 4: Simplify right side
    252,939.92x = 48,246,293,343.39
  5. Step 5: Solve for x
    x = 48,246,293,343.39/252,939.92
  6. Step 6: Final answer
    x = 190,742.11

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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.