Home / 126,258.66-189,381.83-47,366.73

Finding the Fourth Proportional to 126,258.66, 189,381.83 and 47,366.73

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Solution

The fourth proportional to 126,258.66, 189,381.83 and 47,366.73 is: 71,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,258.66 : 189,381.83 = 47,366.73 : x
  2. Step 2: Convert to fraction form
    126,258.66/189,381.83 = 47,366.73/x
  3. Step 3: Cross multiply
    126,258.66x = 189,381.83 × 47,366.73
  4. Step 4: Simplify right side
    126,258.66x = 8,970,397,771.68
  5. Step 5: Solve for x
    x = 8,970,397,771.68/126,258.66
  6. Step 6: Final answer
    x = 71,047.78

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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.