Home / 120,890.69-166,825.84-67,174.33

Finding the Fourth Proportional to 120,890.69, 166,825.84 and 67,174.33

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Solution

The fourth proportional to 120,890.69, 166,825.84 and 67,174.33 is: 92,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,890.69 : 166,825.84 = 67,174.33 : x
  2. Step 2: Convert to fraction form
    120,890.69/166,825.84 = 67,174.33/x
  3. Step 3: Cross multiply
    120,890.69x = 166,825.84 × 67,174.33
  4. Step 4: Simplify right side
    120,890.69x = 11,206,414,028.69
  5. Step 5: Solve for x
    x = 11,206,414,028.69/120,890.69
  6. Step 6: Final answer
    x = 92,698.73

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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.