Home / 126,815.40-175,005.18-70,226.73

Finding the Fourth Proportional to 126,815.40, 175,005.18 and 70,226.73

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Solution

The fourth proportional to 126,815.40, 175,005.18 and 70,226.73 is: 96,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.40 : 175,005.18 = 70,226.73 : x
  2. Step 2: Convert to fraction form
    126,815.40/175,005.18 = 70,226.73/x
  3. Step 3: Cross multiply
    126,815.40x = 175,005.18 × 70,226.73
  4. Step 4: Simplify right side
    126,815.40x = 12,290,041,524.46
  5. Step 5: Solve for x
    x = 12,290,041,524.46/126,815.40
  6. Step 6: Final answer
    x = 96,912.85

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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.