Home / 122,949.22-169,668.25-69,234.88

Finding the Fourth Proportional to 122,949.22, 169,668.25 and 69,234.88

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Solution

The fourth proportional to 122,949.22, 169,668.25 and 69,234.88 is: 95,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.22 : 169,668.25 = 69,234.88 : x
  2. Step 2: Convert to fraction form
    122,949.22/169,668.25 = 69,234.88/x
  3. Step 3: Cross multiply
    122,949.22x = 169,668.25 × 69,234.88
  4. Step 4: Simplify right side
    122,949.22x = 11,746,960,928.56
  5. Step 5: Solve for x
    x = 11,746,960,928.56/122,949.22
  6. Step 6: Final answer
    x = 95,543.19

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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.