Home / 126,310.61-174,310.07-69,721.97

Finding the Fourth Proportional to 126,310.61, 174,310.07 and 69,721.97

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Solution

The fourth proportional to 126,310.61, 174,310.07 and 69,721.97 is: 96,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,310.61 : 174,310.07 = 69,721.97 : x
  2. Step 2: Convert to fraction form
    126,310.61/174,310.07 = 69,721.97/x
  3. Step 3: Cross multiply
    126,310.61x = 174,310.07 × 69,721.97
  4. Step 4: Simplify right side
    126,310.61x = 12,153,241,471.24
  5. Step 5: Solve for x
    x = 12,153,241,471.24/126,310.61
  6. Step 6: Final answer
    x = 96,217.11

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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.