Home / 137,506.82-206,319.05-57,563.46

Finding the Fourth Proportional to 137,506.82, 206,319.05 and 57,563.46

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Solution

The fourth proportional to 137,506.82, 206,319.05 and 57,563.46 is: 86,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,506.82 : 206,319.05 = 57,563.46 : x
  2. Step 2: Convert to fraction form
    137,506.82/206,319.05 = 57,563.46/x
  3. Step 3: Cross multiply
    137,506.82x = 206,319.05 × 57,563.46
  4. Step 4: Simplify right side
    137,506.82x = 11,876,438,309.96
  5. Step 5: Solve for x
    x = 11,876,438,309.96/137,506.82
  6. Step 6: Final answer
    x = 86,369.82

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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.