Home / 120,786.82-166,680.24-67,075.27

Finding the Fourth Proportional to 120,786.82, 166,680.24 and 67,075.27

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Solution

The fourth proportional to 120,786.82, 166,680.24 and 67,075.27 is: 92,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,786.82 : 166,680.24 = 67,075.27 : x
  2. Step 2: Convert to fraction form
    120,786.82/166,680.24 = 67,075.27/x
  3. Step 3: Cross multiply
    120,786.82x = 166,680.24 × 67,075.27
  4. Step 4: Simplify right side
    120,786.82x = 11,180,122,101.66
  5. Step 5: Solve for x
    x = 11,180,122,101.66/120,786.82
  6. Step 6: Final answer
    x = 92,560.78

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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.