Home / 199,968.24-275,957.15-109,324.21

Finding the Fourth Proportional to 199,968.24, 275,957.15 and 109,324.21

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Solution

The fourth proportional to 199,968.24, 275,957.15 and 109,324.21 is: 150,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,968.24 : 275,957.15 = 109,324.21 : x
  2. Step 2: Convert to fraction form
    199,968.24/275,957.15 = 109,324.21/x
  3. Step 3: Cross multiply
    199,968.24x = 275,957.15 × 109,324.21
  4. Step 4: Simplify right side
    199,968.24x = 30,168,797,417.60
  5. Step 5: Solve for x
    x = 30,168,797,417.60/199,968.24
  6. Step 6: Final answer
    x = 150,867.94

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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.