Home / 199,817.82-275,745.38-109,171.84

Finding the Fourth Proportional to 199,817.82, 275,745.38 and 109,171.84

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Solution

The fourth proportional to 199,817.82, 275,745.38 and 109,171.84 is: 150,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,817.82 : 275,745.38 = 109,171.84 : x
  2. Step 2: Convert to fraction form
    199,817.82/275,745.38 = 109,171.84/x
  3. Step 3: Cross multiply
    199,817.82x = 275,745.38 × 109,171.84
  4. Step 4: Simplify right side
    199,817.82x = 30,103,630,096.70
  5. Step 5: Solve for x
    x = 30,103,630,096.70/199,817.82
  6. Step 6: Final answer
    x = 150,655.38

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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.