Home / 84,158.88-126,286.56-34,229.76

Finding the Fourth Proportional to 84,158.88, 126,286.56 and 34,229.76

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Solution

The fourth proportional to 84,158.88, 126,286.56 and 34,229.76 is: 51,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,158.88 : 126,286.56 = 34,229.76 : x
  2. Step 2: Convert to fraction form
    84,158.88/126,286.56 = 34,229.76/x
  3. Step 3: Cross multiply
    84,158.88x = 126,286.56 × 34,229.76
  4. Step 4: Simplify right side
    84,158.88x = 4,322,758,640.03
  5. Step 5: Solve for x
    x = 4,322,758,640.03/84,158.88
  6. Step 6: Final answer
    x = 51,364.26

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1.5x scale

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.