Home / 199,764.33-275,675.72-109,121.55

Finding the Fourth Proportional to 199,764.33, 275,675.72 and 109,121.55

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Solution

The fourth proportional to 199,764.33, 275,675.72 and 109,121.55 is: 150,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,764.33 : 275,675.72 = 109,121.55 : x
  2. Step 2: Convert to fraction form
    199,764.33/275,675.72 = 109,121.55/x
  3. Step 3: Cross multiply
    199,764.33x = 275,675.72 × 109,121.55
  4. Step 4: Simplify right side
    199,764.33x = 30,082,161,863.77
  5. Step 5: Solve for x
    x = 30,082,161,863.77/199,764.33
  6. Step 6: Final answer
    x = 150,588.25

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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.