Home / 222,360.80-306,855.66-120,383.55

Finding the Fourth Proportional to 222,360.80, 306,855.66 and 120,383.55

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Solution

The fourth proportional to 222,360.80, 306,855.66 and 120,383.55 is: 166,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,360.80 : 306,855.66 = 120,383.55 : x
  2. Step 2: Convert to fraction form
    222,360.80/306,855.66 = 120,383.55/x
  3. Step 3: Cross multiply
    222,360.80x = 306,855.66 × 120,383.55
  4. Step 4: Simplify right side
    222,360.80x = 36,940,373,688.39
  5. Step 5: Solve for x
    x = 36,940,373,688.39/222,360.80
  6. Step 6: Final answer
    x = 166,128.09

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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.