Home / 222,204.31-306,639.76-120,227.53

Finding the Fourth Proportional to 222,204.31, 306,639.76 and 120,227.53

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Solution

The fourth proportional to 222,204.31, 306,639.76 and 120,227.53 is: 165,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,204.31 : 306,639.76 = 120,227.53 : x
  2. Step 2: Convert to fraction form
    222,204.31/306,639.76 = 120,227.53/x
  3. Step 3: Cross multiply
    222,204.31x = 306,639.76 × 120,227.53
  4. Step 4: Simplify right side
    222,204.31x = 36,866,541,616.22
  5. Step 5: Solve for x
    x = 36,866,541,616.22/222,204.31
  6. Step 6: Final answer
    x = 165,912.81

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1.5x scale

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.