Home / 84,103.27-126,152.16-34,168.60

Finding the Fourth Proportional to 84,103.27, 126,152.16 and 34,168.60

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Solution

The fourth proportional to 84,103.27, 126,152.16 and 34,168.60 is: 51,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,103.27 : 126,152.16 = 34,168.60 : x
  2. Step 2: Convert to fraction form
    84,103.27/126,152.16 = 34,168.60/x
  3. Step 3: Cross multiply
    84,103.27x = 126,152.16 × 34,168.60
  4. Step 4: Simplify right side
    84,103.27x = 4,310,442,694.18
  5. Step 5: Solve for x
    x = 4,310,442,694.18/84,103.27
  6. Step 6: Final answer
    x = 51,251.78

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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.