Home / 126,976.82-190,445.76-33,489.86

Finding the Fourth Proportional to 126,976.82, 190,445.76 and 33,489.86

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Solution

The fourth proportional to 126,976.82, 190,445.76 and 33,489.86 is: 50,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976.82 : 190,445.76 = 33,489.86 : x
  2. Step 2: Convert to fraction form
    126,976.82/190,445.76 = 33,489.86/x
  3. Step 3: Cross multiply
    126,976.82x = 190,445.76 × 33,489.86
  4. Step 4: Simplify right side
    126,976.82x = 6,378,000,887.76
  5. Step 5: Solve for x
    x = 6,378,000,887.76/126,976.82
  6. Step 6: Final answer
    x = 50,229.65

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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.