Home / 120,514.97-166,310.37-66,067.04

Finding the Fourth Proportional to 120,514.97, 166,310.37 and 66,067.04

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Solution

The fourth proportional to 120,514.97, 166,310.37 and 66,067.04 is: 91,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514.97 : 166,310.37 = 66,067.04 : x
  2. Step 2: Convert to fraction form
    120,514.97/166,310.37 = 66,067.04/x
  3. Step 3: Cross multiply
    120,514.97x = 166,310.37 × 66,067.04
  4. Step 4: Simplify right side
    120,514.97x = 10,987,634,035.23
  5. Step 5: Solve for x
    x = 10,987,634,035.23/120,514.97
  6. Step 6: Final answer
    x = 91,172.36

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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.