Home / 189,265.82-261,192.66-108,709.50

Finding the Fourth Proportional to 189,265.82, 261,192.66 and 108,709.50

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Solution

The fourth proportional to 189,265.82, 261,192.66 and 108,709.50 is: 150,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,265.82 : 261,192.66 = 108,709.50 : x
  2. Step 2: Convert to fraction form
    189,265.82/261,192.66 = 108,709.50/x
  3. Step 3: Cross multiply
    189,265.82x = 261,192.66 × 108,709.50
  4. Step 4: Simplify right side
    189,265.82x = 28,394,123,472.27
  5. Step 5: Solve for x
    x = 28,394,123,472.27/189,265.82
  6. Step 6: Final answer
    x = 150,022.46

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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.