Home / 126,115.85-173,941.46-80,798.05

Finding the Fourth Proportional to 126,115.85, 173,941.46 and 80,798.05

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Solution

The fourth proportional to 126,115.85, 173,941.46 and 80,798.05 is: 111,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.85 : 173,941.46 = 80,798.05 : x
  2. Step 2: Convert to fraction form
    126,115.85/173,941.46 = 80,798.05/x
  3. Step 3: Cross multiply
    126,115.85x = 173,941.46 × 80,798.05
  4. Step 4: Simplify right side
    126,115.85x = 14,054,129,508.46
  5. Step 5: Solve for x
    x = 14,054,129,508.46/126,115.85
  6. Step 6: Final answer
    x = 111,438.25

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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.