Home / 120,441.26-166,208.82-66,729.62

Finding the Fourth Proportional to 120,441.26, 166,208.82 and 66,729.62

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Solution

The fourth proportional to 120,441.26, 166,208.82 and 66,729.62 is: 92,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,441.26 : 166,208.82 = 66,729.62 : x
  2. Step 2: Convert to fraction form
    120,441.26/166,208.82 = 66,729.62/x
  3. Step 3: Cross multiply
    120,441.26x = 166,208.82 × 66,729.62
  4. Step 4: Simplify right side
    120,441.26x = 11,091,051,399.25
  5. Step 5: Solve for x
    x = 11,091,051,399.25/120,441.26
  6. Step 6: Final answer
    x = 92,086.81

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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.