Home / 126,316.88-174,311.17-71,863.93

Finding the Fourth Proportional to 126,316.88, 174,311.17 and 71,863.93

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Solution

The fourth proportional to 126,316.88, 174,311.17 and 71,863.93 is: 99,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,316.88 : 174,311.17 = 71,863.93 : x
  2. Step 2: Convert to fraction form
    126,316.88/174,311.17 = 71,863.93/x
  3. Step 3: Cross multiply
    126,316.88x = 174,311.17 × 71,863.93
  4. Step 4: Simplify right side
    126,316.88x = 12,526,684,847.54
  5. Step 5: Solve for x
    x = 12,526,684,847.54/126,316.88
  6. Step 6: Final answer
    x = 99,168.73

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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.