Home / 138,820.92-208,181.16-50,050.59

Finding the Fourth Proportional to 138,820.92, 208,181.16 and 50,050.59

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Solution

The fourth proportional to 138,820.92, 208,181.16 and 50,050.59 is: 75,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,820.92 : 208,181.16 = 50,050.59 : x
  2. Step 2: Convert to fraction form
    138,820.92/208,181.16 = 50,050.59/x
  3. Step 3: Cross multiply
    138,820.92x = 208,181.16 × 50,050.59
  4. Step 4: Simplify right side
    138,820.92x = 10,419,589,884.88
  5. Step 5: Solve for x
    x = 10,419,589,884.88/138,820.92
  6. Step 6: Final answer
    x = 75,057.78

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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.