Home / 82,318.45-123,481.14-40,148.29

Finding the Fourth Proportional to 82,318.45, 123,481.14 and 40,148.29

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Solution

The fourth proportional to 82,318.45, 123,481.14 and 40,148.29 is: 60,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,318.45 : 123,481.14 = 40,148.29 : x
  2. Step 2: Convert to fraction form
    82,318.45/123,481.14 = 40,148.29/x
  3. Step 3: Cross multiply
    82,318.45x = 123,481.14 × 40,148.29
  4. Step 4: Simplify right side
    82,318.45x = 4,957,556,618.25
  5. Step 5: Solve for x
    x = 4,957,556,618.25/82,318.45
  6. Step 6: Final answer
    x = 60,224.12

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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.