Home / 126,063.39-173,967.51-68,702.73

Finding the Fourth Proportional to 126,063.39, 173,967.51 and 68,702.73

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Solution

The fourth proportional to 126,063.39, 173,967.51 and 68,702.73 is: 94,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,063.39 : 173,967.51 = 68,702.73 : x
  2. Step 2: Convert to fraction form
    126,063.39/173,967.51 = 68,702.73/x
  3. Step 3: Cross multiply
    126,063.39x = 173,967.51 × 68,702.73
  4. Step 4: Simplify right side
    126,063.39x = 11,952,042,868.30
  5. Step 5: Solve for x
    x = 11,952,042,868.30/126,063.39
  6. Step 6: Final answer
    x = 94,809.78

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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.