Home / 126,115.12-173,940.41-80,797.30

Finding the Fourth Proportional to 126,115.12, 173,940.41 and 80,797.30

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Solution

The fourth proportional to 126,115.12, 173,940.41 and 80,797.30 is: 111,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.12 : 173,940.41 = 80,797.30 : x
  2. Step 2: Convert to fraction form
    126,115.12/173,940.41 = 80,797.30/x
  3. Step 3: Cross multiply
    126,115.12x = 173,940.41 × 80,797.30
  4. Step 4: Simplify right side
    126,115.12x = 14,053,915,256.04
  5. Step 5: Solve for x
    x = 14,053,915,256.04/126,115.12
  6. Step 6: Final answer
    x = 111,437.19

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1.5x scale

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.