Home / 199,261.82-274,976.43-108,620.30

Finding the Fourth Proportional to 199,261.82, 274,976.43 and 108,620.30

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Solution

The fourth proportional to 199,261.82, 274,976.43 and 108,620.30 is: 149,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,261.82 : 274,976.43 = 108,620.30 : x
  2. Step 2: Convert to fraction form
    199,261.82/274,976.43 = 108,620.30/x
  3. Step 3: Cross multiply
    199,261.82x = 274,976.43 × 108,620.30
  4. Step 4: Simplify right side
    199,261.82x = 29,868,022,319.53
  5. Step 5: Solve for x
    x = 29,868,022,319.53/199,261.82
  6. Step 6: Final answer
    x = 149,893.35

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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.