Home / 126,811.20-175,004.96-70,222.56

Finding the Fourth Proportional to 126,811.20, 175,004.96 and 70,222.56

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Solution

The fourth proportional to 126,811.20, 175,004.96 and 70,222.56 is: 96,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,811.20 : 175,004.96 = 70,222.56 : x
  2. Step 2: Convert to fraction form
    126,811.20/175,004.96 = 70,222.56/x
  3. Step 3: Cross multiply
    126,811.20x = 175,004.96 × 70,222.56
  4. Step 4: Simplify right side
    126,811.20x = 12,289,296,303.90
  5. Step 5: Solve for x
    x = 12,289,296,303.90/126,811.20
  6. Step 6: Final answer
    x = 96,910.18

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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.