Home / 137,573.24-206,083.38-71,771

Finding the Fourth Proportional to 137,573.24, 206,083.38 and 71,771

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Solution

The fourth proportional to 137,573.24, 206,083.38 and 71,771 is: 107,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,573.24 : 206,083.38 = 71,771 : x
  2. Step 2: Convert to fraction form
    137,573.24/206,083.38 = 71,771/x
  3. Step 3: Cross multiply
    137,573.24x = 206,083.38 × 71,771
  4. Step 4: Simplify right side
    137,573.24x = 14,790,810,265.98
  5. Step 5: Solve for x
    x = 14,790,810,265.98/137,573.24
  6. Step 6: Final answer
    x = 107,512.26

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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.