Home / 199,418.24-275,192.80-109,994.24

Finding the Fourth Proportional to 199,418.24, 275,192.80 and 109,994.24

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Solution

The fourth proportional to 199,418.24, 275,192.80 and 109,994.24 is: 151,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,418.24 : 275,192.80 = 109,994.24 : x
  2. Step 2: Convert to fraction form
    199,418.24/275,192.80 = 109,994.24/x
  3. Step 3: Cross multiply
    199,418.24x = 275,192.80 × 109,994.24
  4. Step 4: Simplify right side
    199,418.24x = 30,269,622,889.47
  5. Step 5: Solve for x
    x = 30,269,622,889.47/199,418.24
  6. Step 6: Final answer
    x = 151,789.64

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1.5x scale

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.