Home / 149,371.46-206,208.82-101,227.72

Finding the Fourth Proportional to 149,371.46, 206,208.82 and 101,227.72

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Solution

The fourth proportional to 149,371.46, 206,208.82 and 101,227.72 is: 139,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,371.46 : 206,208.82 = 101,227.72 : x
  2. Step 2: Convert to fraction form
    149,371.46/206,208.82 = 101,227.72/x
  3. Step 3: Cross multiply
    149,371.46x = 206,208.82 × 101,227.72
  4. Step 4: Simplify right side
    149,371.46x = 20,874,048,692.49
  5. Step 5: Solve for x
    x = 20,874,048,692.49/149,371.46
  6. Step 6: Final answer
    x = 139,745.90

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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.