Home / 126,064.25-173,964.24-68,702.40

Finding the Fourth Proportional to 126,064.25, 173,964.24 and 68,702.40

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Solution

The fourth proportional to 126,064.25, 173,964.24 and 68,702.40 is: 94,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064.25 : 173,964.24 = 68,702.40 : x
  2. Step 2: Convert to fraction form
    126,064.25/173,964.24 = 68,702.40/x
  3. Step 3: Cross multiply
    126,064.25x = 173,964.24 × 68,702.40
  4. Step 4: Simplify right side
    126,064.25x = 11,951,761,712.18
  5. Step 5: Solve for x
    x = 11,951,761,712.18/126,064.25
  6. Step 6: Final answer
    x = 94,806.91

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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.