Home / 199,739.28-275,640.20-109,095.46

Finding the Fourth Proportional to 199,739.28, 275,640.20 and 109,095.46

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Solution

The fourth proportional to 199,739.28, 275,640.20 and 109,095.46 is: 150,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,739.28 : 275,640.20 = 109,095.46 : x
  2. Step 2: Convert to fraction form
    199,739.28/275,640.20 = 109,095.46/x
  3. Step 3: Cross multiply
    199,739.28x = 275,640.20 × 109,095.46
  4. Step 4: Simplify right side
    199,739.28x = 30,071,093,357.90
  5. Step 5: Solve for x
    x = 30,071,093,357.90/199,739.28
  6. Step 6: Final answer
    x = 150,551.73

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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.