Home / 222,016.18-306,377.76-121,414.18

Finding the Fourth Proportional to 222,016.18, 306,377.76 and 121,414.18

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Solution

The fourth proportional to 222,016.18, 306,377.76 and 121,414.18 is: 167,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,016.18 : 306,377.76 = 121,414.18 : x
  2. Step 2: Convert to fraction form
    222,016.18/306,377.76 = 121,414.18/x
  3. Step 3: Cross multiply
    222,016.18x = 306,377.76 × 121,414.18
  4. Step 4: Simplify right side
    222,016.18x = 37,198,604,500.64
  5. Step 5: Solve for x
    x = 37,198,604,500.64/222,016.18
  6. Step 6: Final answer
    x = 167,549.07

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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.