Home / 83,734.27-126,159.91-75,738.28

Finding the Fourth Proportional to 83,734.27, 126,159.91 and 75,738.28

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Solution

The fourth proportional to 83,734.27, 126,159.91 and 75,738.28 is: 114,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.27 : 126,159.91 = 75,738.28 : x
  2. Step 2: Convert to fraction form
    83,734.27/126,159.91 = 75,738.28/x
  3. Step 3: Cross multiply
    83,734.27x = 126,159.91 × 75,738.28
  4. Step 4: Simplify right side
    83,734.27x = 9,555,134,588.35
  5. Step 5: Solve for x
    x = 9,555,134,588.35/83,734.27
  6. Step 6: Final answer
    x = 114,112.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.