Home / 126,249.92-174,151.40-80,911.76

Finding the Fourth Proportional to 126,249.92, 174,151.40 and 80,911.76

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Solution

The fourth proportional to 126,249.92, 174,151.40 and 80,911.76 is: 111,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.92 : 174,151.40 = 80,911.76 : x
  2. Step 2: Convert to fraction form
    126,249.92/174,151.40 = 80,911.76/x
  3. Step 3: Cross multiply
    126,249.92x = 174,151.40 × 80,911.76
  4. Step 4: Simplify right side
    126,249.92x = 14,090,896,280.46
  5. Step 5: Solve for x
    x = 14,090,896,280.46/126,249.92
  6. Step 6: Final answer
    x = 111,611.13

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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.