Home / 137,286.75-206,075.69-121,593.66

Finding the Fourth Proportional to 137,286.75, 206,075.69 and 121,593.66

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Solution

The fourth proportional to 137,286.75, 206,075.69 and 121,593.66 is: 182,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,286.75 : 206,075.69 = 121,593.66 : x
  2. Step 2: Convert to fraction form
    137,286.75/206,075.69 = 121,593.66/x
  3. Step 3: Cross multiply
    137,286.75x = 206,075.69 × 121,593.66
  4. Step 4: Simplify right side
    137,286.75x = 25,057,497,143.31
  5. Step 5: Solve for x
    x = 25,057,497,143.31/137,286.75
  6. Step 6: Final answer
    x = 182,519.42

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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.