Home / 114,982.75-172,474.13-31,876.75

Finding the Fourth Proportional to 114,982.75, 172,474.13 and 31,876.75

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Solution

The fourth proportional to 114,982.75, 172,474.13 and 31,876.75 is: 47,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,982.75 : 172,474.13 = 31,876.75 : x
  2. Step 2: Convert to fraction form
    114,982.75/172,474.13 = 31,876.75/x
  3. Step 3: Cross multiply
    114,982.75x = 172,474.13 × 31,876.75
  4. Step 4: Simplify right side
    114,982.75x = 5,497,914,723.48
  5. Step 5: Solve for x
    x = 5,497,914,723.48/114,982.75
  6. Step 6: Final answer
    x = 47,815.13

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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.