Home / 126,788.22-175,006.62-73,108.98

Finding the Fourth Proportional to 126,788.22, 175,006.62 and 73,108.98

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Solution

The fourth proportional to 126,788.22, 175,006.62 and 73,108.98 is: 100,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,788.22 : 175,006.62 = 73,108.98 : x
  2. Step 2: Convert to fraction form
    126,788.22/175,006.62 = 73,108.98/x
  3. Step 3: Cross multiply
    126,788.22x = 175,006.62 × 73,108.98
  4. Step 4: Simplify right side
    126,788.22x = 12,794,555,481.45
  5. Step 5: Solve for x
    x = 12,794,555,481.45/126,788.22
  6. Step 6: Final answer
    x = 100,912.81

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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.