Home / 201,961.35-302,849.28-68,787.43

Finding the Fourth Proportional to 201,961.35, 302,849.28 and 68,787.43

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Solution

The fourth proportional to 201,961.35, 302,849.28 and 68,787.43 is: 103,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,961.35 : 302,849.28 = 68,787.43 : x
  2. Step 2: Convert to fraction form
    201,961.35/302,849.28 = 68,787.43/x
  3. Step 3: Cross multiply
    201,961.35x = 302,849.28 × 68,787.43
  4. Step 4: Simplify right side
    201,961.35x = 20,832,222,891.43
  5. Step 5: Solve for x
    x = 20,832,222,891.43/201,961.35
  6. Step 6: Final answer
    x = 103,149.55

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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.