Home / 222,183.88-306,613.42-120,209.00

Finding the Fourth Proportional to 222,183.88, 306,613.42 and 120,209.00

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Solution

The fourth proportional to 222,183.88, 306,613.42 and 120,209.00 is: 165,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,183.88 : 306,613.42 = 120,209.00 : x
  2. Step 2: Convert to fraction form
    222,183.88/306,613.42 = 120,209.00/x
  3. Step 3: Cross multiply
    222,183.88x = 306,613.42 × 120,209.00
  4. Step 4: Simplify right side
    222,183.88x = 36,857,690,771.19
  5. Step 5: Solve for x
    x = 36,857,690,771.19/222,183.88
  6. Step 6: Final answer
    x = 165,888.23

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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.