Home / 222,268.87-306,728.67-120,292.12

Finding the Fourth Proportional to 222,268.87, 306,728.67 and 120,292.12

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Solution

The fourth proportional to 222,268.87, 306,728.67 and 120,292.12 is: 166,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,268.87 : 306,728.67 = 120,292.12 : x
  2. Step 2: Convert to fraction form
    222,268.87/306,728.67 = 120,292.12/x
  3. Step 3: Cross multiply
    222,268.87x = 306,728.67 × 120,292.12
  4. Step 4: Simplify right side
    222,268.87x = 36,897,041,979.08
  5. Step 5: Solve for x
    x = 36,897,041,979.08/222,268.87
  6. Step 6: Final answer
    x = 166,001.84

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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.