Home / 223,743.75-308,771.24-123,141.75

Finding the Fourth Proportional to 223,743.75, 308,771.24 and 123,141.75

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Solution

The fourth proportional to 223,743.75, 308,771.24 and 123,141.75 is: 169,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,743.75 : 308,771.24 = 123,141.75 : x
  2. Step 2: Convert to fraction form
    223,743.75/308,771.24 = 123,141.75/x
  3. Step 3: Cross multiply
    223,743.75x = 308,771.24 × 123,141.75
  4. Step 4: Simplify right side
    223,743.75x = 38,022,630,227.56
  5. Step 5: Solve for x
    x = 38,022,630,227.56/223,743.75
  6. Step 6: Final answer
    x = 169,938.29

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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.