Home / 126,826.43-190,241.25-38,074.79

Finding the Fourth Proportional to 126,826.43, 190,241.25 and 38,074.79

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Solution

The fourth proportional to 126,826.43, 190,241.25 and 38,074.79 is: 57,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,826.43 : 190,241.25 = 38,074.79 : x
  2. Step 2: Convert to fraction form
    126,826.43/190,241.25 = 38,074.79/x
  3. Step 3: Cross multiply
    126,826.43x = 190,241.25 × 38,074.79
  4. Step 4: Simplify right side
    126,826.43x = 7,243,394,691.88
  5. Step 5: Solve for x
    x = 7,243,394,691.88/126,826.43
  6. Step 6: Final answer
    x = 57,112.66

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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.