Home / 126,843.20-190,273.92-43,736

Finding the Fourth Proportional to 126,843.20, 190,273.92 and 43,736

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Solution

The fourth proportional to 126,843.20, 190,273.92 and 43,736 is: 65,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,843.20 : 190,273.92 = 43,736 : x
  2. Step 2: Convert to fraction form
    126,843.20/190,273.92 = 43,736/x
  3. Step 3: Cross multiply
    126,843.20x = 190,273.92 × 43,736
  4. Step 4: Simplify right side
    126,843.20x = 8,321,820,165.12
  5. Step 5: Solve for x
    x = 8,321,820,165.12/126,843.20
  6. Step 6: Final answer
    x = 65,607.14

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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.