Home / 126,375.72-174,455.26-83,380.52

Finding the Fourth Proportional to 126,375.72, 174,455.26 and 83,380.52

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Solution

The fourth proportional to 126,375.72, 174,455.26 and 83,380.52 is: 115,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,375.72 : 174,455.26 = 83,380.52 : x
  2. Step 2: Convert to fraction form
    126,375.72/174,455.26 = 83,380.52/x
  3. Step 3: Cross multiply
    126,375.72x = 174,455.26 × 83,380.52
  4. Step 4: Simplify right side
    126,375.72x = 14,546,170,295.54
  5. Step 5: Solve for x
    x = 14,546,170,295.54/126,375.72
  6. Step 6: Final answer
    x = 115,102.57

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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.