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Finding the Fourth Proportional to 115,540, 173,310 and 41,668

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Solution

The fourth proportional to 115,540, 173,310 and 41,668 is: 62,502

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,540 : 173,310 = 41,668 : x
  2. Step 2: Convert to fraction form
    115,540/173,310 = 41,668/x
  3. Step 3: Cross multiply
    115,540x = 173,310 × 41,668
  4. Step 4: Simplify right side
    115,540x = 7,221,481,080
  5. Step 5: Solve for x
    x = 7,221,481,080/115,540
  6. Step 6: Final answer
    x = 62,502

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