Home / 188,062.26-282,163.62-75,774.33

Finding the Fourth Proportional to 188,062.26, 282,163.62 and 75,774.33

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Solution

The fourth proportional to 188,062.26, 282,163.62 and 75,774.33 is: 113,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,062.26 : 282,163.62 = 75,774.33 : x
  2. Step 2: Convert to fraction form
    188,062.26/282,163.62 = 75,774.33/x
  3. Step 3: Cross multiply
    188,062.26x = 282,163.62 × 75,774.33
  4. Step 4: Simplify right side
    188,062.26x = 21,380,760,029.83
  5. Step 5: Solve for x
    x = 21,380,760,029.83/188,062.26
  6. Step 6: Final answer
    x = 113,689.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.