Home / 126,008.12-173,887.97-68,645.85

Finding the Fourth Proportional to 126,008.12, 173,887.97 and 68,645.85

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Solution

The fourth proportional to 126,008.12, 173,887.97 and 68,645.85 is: 94,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,008.12 : 173,887.97 = 68,645.85 : x
  2. Step 2: Convert to fraction form
    126,008.12/173,887.97 = 68,645.85/x
  3. Step 3: Cross multiply
    126,008.12x = 173,887.97 × 68,645.85
  4. Step 4: Simplify right side
    126,008.12x = 11,936,686,510.12
  5. Step 5: Solve for x
    x = 11,936,686,510.12/126,008.12
  6. Step 6: Final answer
    x = 94,729.50

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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.