Home / 199,643.33-275,506.37-108,999.29

Finding the Fourth Proportional to 199,643.33, 275,506.37 and 108,999.29

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Solution

The fourth proportional to 199,643.33, 275,506.37 and 108,999.29 is: 150,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,643.33 : 275,506.37 = 108,999.29 : x
  2. Step 2: Convert to fraction form
    199,643.33/275,506.37 = 108,999.29/x
  3. Step 3: Cross multiply
    199,643.33x = 275,506.37 × 108,999.29
  4. Step 4: Simplify right side
    199,643.33x = 30,029,998,720.48
  5. Step 5: Solve for x
    x = 30,029,998,720.48/199,643.33
  6. Step 6: Final answer
    x = 150,418.24

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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.