Home / 149,581.42-223,974.69-90,336.94

Finding the Fourth Proportional to 149,581.42, 223,974.69 and 90,336.94

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Solution

The fourth proportional to 149,581.42, 223,974.69 and 90,336.94 is: 135,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,581.42 : 223,974.69 = 90,336.94 : x
  2. Step 2: Convert to fraction form
    149,581.42/223,974.69 = 90,336.94/x
  3. Step 3: Cross multiply
    149,581.42x = 223,974.69 × 90,336.94
  4. Step 4: Simplify right side
    149,581.42x = 20,233,188,132.05
  5. Step 5: Solve for x
    x = 20,233,188,132.05/149,581.42
  6. Step 6: Final answer
    x = 135,265.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.