Home / 122,456.82-168,990.33-68,741.94

Finding the Fourth Proportional to 122,456.82, 168,990.33 and 68,741.94

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Solution

The fourth proportional to 122,456.82, 168,990.33 and 68,741.94 is: 94,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,456.82 : 168,990.33 = 68,741.94 : x
  2. Step 2: Convert to fraction form
    122,456.82/168,990.33 = 68,741.94/x
  3. Step 3: Cross multiply
    122,456.82x = 168,990.33 × 68,741.94
  4. Step 4: Simplify right side
    122,456.82x = 11,616,723,125.44
  5. Step 5: Solve for x
    x = 11,616,723,125.44/122,456.82
  6. Step 6: Final answer
    x = 94,863.83

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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.