Home / 199,824.40-275,764.08-109,188.96

Finding the Fourth Proportional to 199,824.40, 275,764.08 and 109,188.96

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Solution

The fourth proportional to 199,824.40, 275,764.08 and 109,188.96 is: 150,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,824.40 : 275,764.08 = 109,188.96 : x
  2. Step 2: Convert to fraction form
    199,824.40/275,764.08 = 109,188.96/x
  3. Step 3: Cross multiply
    199,824.40x = 275,764.08 × 109,188.96
  4. Step 4: Simplify right side
    199,824.40x = 30,110,393,100.56
  5. Step 5: Solve for x
    x = 30,110,393,100.56/199,824.40
  6. Step 6: Final answer
    x = 150,684.27

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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.