Home / 126,540.57-174,604.43-75,573.75

Finding the Fourth Proportional to 126,540.57, 174,604.43 and 75,573.75

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Solution

The fourth proportional to 126,540.57, 174,604.43 and 75,573.75 is: 104,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,540.57 : 174,604.43 = 75,573.75 : x
  2. Step 2: Convert to fraction form
    126,540.57/174,604.43 = 75,573.75/x
  3. Step 3: Cross multiply
    126,540.57x = 174,604.43 × 75,573.75
  4. Step 4: Simplify right side
    126,540.57x = 13,195,511,163.84
  5. Step 5: Solve for x
    x = 13,195,511,163.84/126,540.57
  6. Step 6: Final answer
    x = 104,278.90

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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.