Home / 126,110.41-189,221.34-66,124.56

Finding the Fourth Proportional to 126,110.41, 189,221.34 and 66,124.56

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Solution

The fourth proportional to 126,110.41, 189,221.34 and 66,124.56 is: 99,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110.41 : 189,221.34 = 66,124.56 : x
  2. Step 2: Convert to fraction form
    126,110.41/189,221.34 = 66,124.56/x
  3. Step 3: Cross multiply
    126,110.41x = 189,221.34 × 66,124.56
  4. Step 4: Simplify right side
    126,110.41x = 12,512,177,850.11
  5. Step 5: Solve for x
    x = 12,512,177,850.11/126,110.41
  6. Step 6: Final answer
    x = 99,216.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.