Home / 178,882.21-268,320.58-45,761.34

Finding the Fourth Proportional to 178,882.21, 268,320.58 and 45,761.34

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Solution

The fourth proportional to 178,882.21, 268,320.58 and 45,761.34 is: 68,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,882.21 : 268,320.58 = 45,761.34 : x
  2. Step 2: Convert to fraction form
    178,882.21/268,320.58 = 45,761.34/x
  3. Step 3: Cross multiply
    178,882.21x = 268,320.58 × 45,761.34
  4. Step 4: Simplify right side
    178,882.21x = 12,278,709,175.97
  5. Step 5: Solve for x
    x = 12,278,709,175.97/178,882.21
  6. Step 6: Final answer
    x = 68,641.31

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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.