Home / 126,812.20-175,006.34-70,223.56

Finding the Fourth Proportional to 126,812.20, 175,006.34 and 70,223.56

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Solution

The fourth proportional to 126,812.20, 175,006.34 and 70,223.56 is: 96,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,812.20 : 175,006.34 = 70,223.56 : x
  2. Step 2: Convert to fraction form
    126,812.20/175,006.34 = 70,223.56/x
  3. Step 3: Cross multiply
    126,812.20x = 175,006.34 × 70,223.56
  4. Step 4: Simplify right side
    126,812.20x = 12,289,568,217.37
  5. Step 5: Solve for x
    x = 12,289,568,217.37/126,812.20
  6. Step 6: Final answer
    x = 96,911.56

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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.