Home / 222,456.26-306,989.53-120,481.72

Finding the Fourth Proportional to 222,456.26, 306,989.53 and 120,481.72

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Solution

The fourth proportional to 222,456.26, 306,989.53 and 120,481.72 is: 166,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,456.26 : 306,989.53 = 120,481.72 : x
  2. Step 2: Convert to fraction form
    222,456.26/306,989.53 = 120,481.72/x
  3. Step 3: Cross multiply
    222,456.26x = 306,989.53 × 120,481.72
  4. Step 4: Simplify right side
    222,456.26x = 36,986,624,459.04
  5. Step 5: Solve for x
    x = 36,986,624,459.04/222,456.26
  6. Step 6: Final answer
    x = 166,264.71

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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.