Home / 161,942.59-223,481.09-90,327.25

Finding the Fourth Proportional to 161,942.59, 223,481.09 and 90,327.25

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Solution

The fourth proportional to 161,942.59, 223,481.09 and 90,327.25 is: 124,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,942.59 : 223,481.09 = 90,327.25 : x
  2. Step 2: Convert to fraction form
    161,942.59/223,481.09 = 90,327.25/x
  3. Step 3: Cross multiply
    161,942.59x = 223,481.09 × 90,327.25
  4. Step 4: Simplify right side
    161,942.59x = 20,186,432,791.87
  5. Step 5: Solve for x
    x = 20,186,432,791.87/161,942.59
  6. Step 6: Final answer
    x = 124,651.78

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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.