Home / 199,933.20-275,914.44-109,287.36

Finding the Fourth Proportional to 199,933.20, 275,914.44 and 109,287.36

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Solution

The fourth proportional to 199,933.20, 275,914.44 and 109,287.36 is: 150,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,933.20 : 275,914.44 = 109,287.36 : x
  2. Step 2: Convert to fraction form
    199,933.20/275,914.44 = 109,287.36/x
  3. Step 3: Cross multiply
    199,933.20x = 275,914.44 × 109,287.36
  4. Step 4: Simplify right side
    199,933.20x = 30,153,960,733.48
  5. Step 5: Solve for x
    x = 30,153,960,733.48/199,933.20
  6. Step 6: Final answer
    x = 150,820.18

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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.