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Finding the Fourth Proportional to 199,383.75, 275,149.59 and 109,959.75

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Solution

The fourth proportional to 199,383.75, 275,149.59 and 109,959.75 is: 151,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,383.75 : 275,149.59 = 109,959.75 : x
  2. Step 2: Convert to fraction form
    199,383.75/275,149.59 = 109,959.75/x
  3. Step 3: Cross multiply
    199,383.75x = 275,149.59 × 109,959.75
  4. Step 4: Simplify right side
    199,383.75x = 30,255,380,129.00
  5. Step 5: Solve for x
    x = 30,255,380,129.00/199,383.75
  6. Step 6: Final answer
    x = 151,744.46

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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.