Home / 126,985.80-175,230.94-69,615.92

Finding the Fourth Proportional to 126,985.80, 175,230.94 and 69,615.92

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Solution

The fourth proportional to 126,985.80, 175,230.94 and 69,615.92 is: 96,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985.80 : 175,230.94 = 69,615.92 : x
  2. Step 2: Convert to fraction form
    126,985.80/175,230.94 = 69,615.92/x
  3. Step 3: Cross multiply
    126,985.80x = 175,230.94 × 69,615.92
  4. Step 4: Simplify right side
    126,985.80x = 12,198,863,100.56
  5. Step 5: Solve for x
    x = 12,198,863,100.56/126,985.80
  6. Step 6: Final answer
    x = 96,064.78

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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.