Home / 68,436.26-102,718.96-35,179.68

Finding the Fourth Proportional to 68,436.26, 102,718.96 and 35,179.68

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Solution

The fourth proportional to 68,436.26, 102,718.96 and 35,179.68 is: 52,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.26 : 102,718.96 = 35,179.68 : x
  2. Step 2: Convert to fraction form
    68,436.26/102,718.96 = 35,179.68/x
  3. Step 3: Cross multiply
    68,436.26x = 102,718.96 × 35,179.68
  4. Step 4: Simplify right side
    68,436.26x = 3,613,620,142.73
  5. Step 5: Solve for x
    x = 3,613,620,142.73/68,436.26
  6. Step 6: Final answer
    x = 52,802.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.