Home / 222,451.89-306,981.83-120,474.98

Finding the Fourth Proportional to 222,451.89, 306,981.83 and 120,474.98

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Solution

The fourth proportional to 222,451.89, 306,981.83 and 120,474.98 is: 166,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,451.89 : 306,981.83 = 120,474.98 : x
  2. Step 2: Convert to fraction form
    222,451.89/306,981.83 = 120,474.98/x
  3. Step 3: Cross multiply
    222,451.89x = 306,981.83 × 120,474.98
  4. Step 4: Simplify right side
    222,451.89x = 36,983,629,747.07
  5. Step 5: Solve for x
    x = 36,983,629,747.07/222,451.89
  6. Step 6: Final answer
    x = 166,254.51

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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.