Home / 120,449.33-166,221.41-66,735.19

Finding the Fourth Proportional to 120,449.33, 166,221.41 and 66,735.19

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Solution

The fourth proportional to 120,449.33, 166,221.41 and 66,735.19 is: 92,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,449.33 : 166,221.41 = 66,735.19 : x
  2. Step 2: Convert to fraction form
    120,449.33/166,221.41 = 66,735.19/x
  3. Step 3: Cross multiply
    120,449.33x = 166,221.41 × 66,735.19
  4. Step 4: Simplify right side
    120,449.33x = 11,092,816,629.19
  5. Step 5: Solve for x
    x = 11,092,816,629.19/120,449.33
  6. Step 6: Final answer
    x = 92,095.30

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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.