Home / 222,096.31-306,491.99-120,121.89

Finding the Fourth Proportional to 222,096.31, 306,491.99 and 120,121.89

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Solution

The fourth proportional to 222,096.31, 306,491.99 and 120,121.89 is: 165,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,096.31 : 306,491.99 = 120,121.89 : x
  2. Step 2: Convert to fraction form
    222,096.31/306,491.99 = 120,121.89/x
  3. Step 3: Cross multiply
    222,096.31x = 306,491.99 × 120,121.89
  4. Step 4: Simplify right side
    222,096.31x = 36,816,397,108.66
  5. Step 5: Solve for x
    x = 36,816,397,108.66/222,096.31
  6. Step 6: Final answer
    x = 165,767.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.