Home / 199,819.32-275,747.45-109,173.34

Finding the Fourth Proportional to 199,819.32, 275,747.45 and 109,173.34

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Solution

The fourth proportional to 199,819.32, 275,747.45 and 109,173.34 is: 150,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,819.32 : 275,747.45 = 109,173.34 : x
  2. Step 2: Convert to fraction form
    199,819.32/275,747.45 = 109,173.34/x
  3. Step 3: Cross multiply
    199,819.32x = 275,747.45 × 109,173.34
  4. Step 4: Simplify right side
    199,819.32x = 30,104,269,567.12
  5. Step 5: Solve for x
    x = 30,104,269,567.12/199,819.32
  6. Step 6: Final answer
    x = 150,657.45

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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.