Home / 126,815.20-175,010.48-70,226.56

Finding the Fourth Proportional to 126,815.20, 175,010.48 and 70,226.56

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Solution

The fourth proportional to 126,815.20, 175,010.48 and 70,226.56 is: 96,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.20 : 175,010.48 = 70,226.56 : x
  2. Step 2: Convert to fraction form
    126,815.20/175,010.48 = 70,226.56/x
  3. Step 3: Cross multiply
    126,815.20x = 175,010.48 × 70,226.56
  4. Step 4: Simplify right side
    126,815.20x = 12,290,383,974.35
  5. Step 5: Solve for x
    x = 12,290,383,974.35/126,815.20
  6. Step 6: Final answer
    x = 96,915.70

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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.