Home / 223,512.96-308,439.84-122,910.24

Finding the Fourth Proportional to 223,512.96, 308,439.84 and 122,910.24

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Solution

The fourth proportional to 223,512.96, 308,439.84 and 122,910.24 is: 169,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,512.96 : 308,439.84 = 122,910.24 : x
  2. Step 2: Convert to fraction form
    223,512.96/308,439.84 = 122,910.24/x
  3. Step 3: Cross multiply
    223,512.96x = 308,439.84 × 122,910.24
  4. Step 4: Simplify right side
    223,512.96x = 37,910,414,759.96
  5. Step 5: Solve for x
    x = 37,910,414,759.96/223,512.96
  6. Step 6: Final answer
    x = 169,611.71

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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.