Home / 126,114.19-173,939.12-80,796.36

Finding the Fourth Proportional to 126,114.19, 173,939.12 and 80,796.36

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Solution

The fourth proportional to 126,114.19, 173,939.12 and 80,796.36 is: 111,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.19 : 173,939.12 = 80,796.36 : x
  2. Step 2: Convert to fraction form
    126,114.19/173,939.12 = 80,796.36/x
  3. Step 3: Cross multiply
    126,114.19x = 173,939.12 × 80,796.36
  4. Step 4: Simplify right side
    126,114.19x = 14,053,647,353.62
  5. Step 5: Solve for x
    x = 14,053,647,353.62/126,114.19
  6. Step 6: Final answer
    x = 111,435.89

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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.