Home / 222,179.92-306,608.12-120,205.43

Finding the Fourth Proportional to 222,179.92, 306,608.12 and 120,205.43

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Solution

The fourth proportional to 222,179.92, 306,608.12 and 120,205.43 is: 165,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,179.92 : 306,608.12 = 120,205.43 : x
  2. Step 2: Convert to fraction form
    222,179.92/306,608.12 = 120,205.43/x
  3. Step 3: Cross multiply
    222,179.92x = 306,608.12 × 120,205.43
  4. Step 4: Simplify right side
    222,179.92x = 36,855,959,673.56
  5. Step 5: Solve for x
    x = 36,855,959,673.56/222,179.92
  6. Step 6: Final answer
    x = 165,883.40

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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.