Home / 126,213.88-174,178.44-68,854.20

Finding the Fourth Proportional to 126,213.88, 174,178.44 and 68,854.20

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Solution

The fourth proportional to 126,213.88, 174,178.44 and 68,854.20 is: 95,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,213.88 : 174,178.44 = 68,854.20 : x
  2. Step 2: Convert to fraction form
    126,213.88/174,178.44 = 68,854.20/x
  3. Step 3: Cross multiply
    126,213.88x = 174,178.44 × 68,854.20
  4. Step 4: Simplify right side
    126,213.88x = 11,992,917,143.45
  5. Step 5: Solve for x
    x = 11,992,917,143.45/126,213.88
  6. Step 6: Final answer
    x = 95,020.59

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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.