Home / 199,336.91-275,074.82-108,692.14

Finding the Fourth Proportional to 199,336.91, 275,074.82 and 108,692.14

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Solution

The fourth proportional to 199,336.91, 275,074.82 and 108,692.14 is: 149,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,336.91 : 275,074.82 = 108,692.14 : x
  2. Step 2: Convert to fraction form
    199,336.91/275,074.82 = 108,692.14/x
  3. Step 3: Cross multiply
    199,336.91x = 275,074.82 × 108,692.14
  4. Step 4: Simplify right side
    199,336.91x = 29,898,470,845.91
  5. Step 5: Solve for x
    x = 29,898,470,845.91/199,336.91
  6. Step 6: Final answer
    x = 149,989.64

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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.