Home / 198,439.84-273,851.28-109,021.60

Finding the Fourth Proportional to 198,439.84, 273,851.28 and 109,021.60

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Solution

The fourth proportional to 198,439.84, 273,851.28 and 109,021.60 is: 150,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,439.84 : 273,851.28 = 109,021.60 : x
  2. Step 2: Convert to fraction form
    198,439.84/273,851.28 = 109,021.60/x
  3. Step 3: Cross multiply
    198,439.84x = 273,851.28 × 109,021.60
  4. Step 4: Simplify right side
    198,439.84x = 29,855,704,707.65
  5. Step 5: Solve for x
    x = 29,855,704,707.65/198,439.84
  6. Step 6: Final answer
    x = 150,452.17

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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.