Home / 223,979.96-309,093.18-123,377.72

Finding the Fourth Proportional to 223,979.96, 309,093.18 and 123,377.72

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Solution

The fourth proportional to 223,979.96, 309,093.18 and 123,377.72 is: 170,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,979.96 : 309,093.18 = 123,377.72 : x
  2. Step 2: Convert to fraction form
    223,979.96/309,093.18 = 123,377.72/x
  3. Step 3: Cross multiply
    223,979.96x = 309,093.18 × 123,377.72
  4. Step 4: Simplify right side
    223,979.96x = 38,135,211,815.95
  5. Step 5: Solve for x
    x = 38,135,211,815.95/223,979.96
  6. Step 6: Final answer
    x = 170,261.71

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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.