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Finding the Fourth Proportional to 117,252.82, 175,842.31 and 38,348.63

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Solution

The fourth proportional to 117,252.82, 175,842.31 and 38,348.63 is: 57,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252.82 : 175,842.31 = 38,348.63 : x
  2. Step 2: Convert to fraction form
    117,252.82/175,842.31 = 38,348.63/x
  3. Step 3: Cross multiply
    117,252.82x = 175,842.31 × 38,348.63
  4. Step 4: Simplify right side
    117,252.82x = 6,743,311,684.54
  5. Step 5: Solve for x
    x = 6,743,311,684.54/117,252.82
  6. Step 6: Final answer
    x = 57,510.87

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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.