Home / 126,751.20-190,116.90-33,254.52

Finding the Fourth Proportional to 126,751.20, 190,116.90 and 33,254.52

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Solution

The fourth proportional to 126,751.20, 190,116.90 and 33,254.52 is: 49,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,751.20 : 190,116.90 = 33,254.52 : x
  2. Step 2: Convert to fraction form
    126,751.20/190,116.90 = 33,254.52/x
  3. Step 3: Cross multiply
    126,751.20x = 190,116.90 × 33,254.52
  4. Step 4: Simplify right side
    126,751.20x = 6,322,246,253.39
  5. Step 5: Solve for x
    x = 6,322,246,253.39/126,751.20
  6. Step 6: Final answer
    x = 49,879.18

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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.