Home / 126,989.82-175,277.25-75,350.70

Finding the Fourth Proportional to 126,989.82, 175,277.25 and 75,350.70

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Solution

The fourth proportional to 126,989.82, 175,277.25 and 75,350.70 is: 104,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,989.82 : 175,277.25 = 75,350.70 : x
  2. Step 2: Convert to fraction form
    126,989.82/175,277.25 = 75,350.70/x
  3. Step 3: Cross multiply
    126,989.82x = 175,277.25 × 75,350.70
  4. Step 4: Simplify right side
    126,989.82x = 13,207,263,481.58
  5. Step 5: Solve for x
    x = 13,207,263,481.58/126,989.82
  6. Step 6: Final answer
    x = 104,002.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.