Home / 87,368.27-131,020.07-31,193.28

Finding the Fourth Proportional to 87,368.27, 131,020.07 and 31,193.28

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Solution

The fourth proportional to 87,368.27, 131,020.07 and 31,193.28 is: 46,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368.27 : 131,020.07 = 31,193.28 : x
  2. Step 2: Convert to fraction form
    87,368.27/131,020.07 = 31,193.28/x
  3. Step 3: Cross multiply
    87,368.27x = 131,020.07 × 31,193.28
  4. Step 4: Simplify right side
    87,368.27x = 4,086,945,573.16
  5. Step 5: Solve for x
    x = 4,086,945,573.16/87,368.27
  6. Step 6: Final answer
    x = 46,778.38

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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.