Home / 120,448.11-166,213.49-66,735.39

Finding the Fourth Proportional to 120,448.11, 166,213.49 and 66,735.39

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Solution

The fourth proportional to 120,448.11, 166,213.49 and 66,735.39 is: 92,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,448.11 : 166,213.49 = 66,735.39 : x
  2. Step 2: Convert to fraction form
    120,448.11/166,213.49 = 66,735.39/x
  3. Step 3: Cross multiply
    120,448.11x = 166,213.49 × 66,735.39
  4. Step 4: Simplify right side
    120,448.11x = 11,092,321,414.18
  5. Step 5: Solve for x
    x = 11,092,321,414.18/120,448.11
  6. Step 6: Final answer
    x = 92,092.12

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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.