Home / 126,132.66-189,193.50-31,360.86

Finding the Fourth Proportional to 126,132.66, 189,193.50 and 31,360.86

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Solution

The fourth proportional to 126,132.66, 189,193.50 and 31,360.86 is: 47,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.66 : 189,193.50 = 31,360.86 : x
  2. Step 2: Convert to fraction form
    126,132.66/189,193.50 = 31,360.86/x
  3. Step 3: Cross multiply
    126,132.66x = 189,193.50 × 31,360.86
  4. Step 4: Simplify right side
    126,132.66x = 5,933,270,866.41
  5. Step 5: Solve for x
    x = 5,933,270,866.41/126,132.66
  6. Step 6: Final answer
    x = 47,039.92

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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.