Home / 120,942.45-166,906.26-67,228.37

Finding the Fourth Proportional to 120,942.45, 166,906.26 and 67,228.37

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Solution

The fourth proportional to 120,942.45, 166,906.26 and 67,228.37 is: 92,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,942.45 : 166,906.26 = 67,228.37 : x
  2. Step 2: Convert to fraction form
    120,942.45/166,906.26 = 67,228.37/x
  3. Step 3: Cross multiply
    120,942.45x = 166,906.26 × 67,228.37
  4. Step 4: Simplify right side
    120,942.45x = 11,220,834,968.06
  5. Step 5: Solve for x
    x = 11,220,834,968.06/120,942.45
  6. Step 6: Final answer
    x = 92,778.30

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1.5x scale

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.