Home / 149,471.80-223,255.17-135,218.43

Finding the Fourth Proportional to 149,471.80, 223,255.17 and 135,218.43

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Solution

The fourth proportional to 149,471.80, 223,255.17 and 135,218.43 is: 201,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471.80 : 223,255.17 = 135,218.43 : x
  2. Step 2: Convert to fraction form
    149,471.80/223,255.17 = 135,218.43/x
  3. Step 3: Cross multiply
    149,471.80x = 223,255.17 × 135,218.43
  4. Step 4: Simplify right side
    149,471.80x = 30,188,213,576.78
  5. Step 5: Solve for x
    x = 30,188,213,576.78/149,471.80
  6. Step 6: Final answer
    x = 201,965.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.