Home / 198,353.40-273,727.38-108,929.40

Finding the Fourth Proportional to 198,353.40, 273,727.38 and 108,929.40

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Solution

The fourth proportional to 198,353.40, 273,727.38 and 108,929.40 is: 150,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,353.40 : 273,727.38 = 108,929.40 : x
  2. Step 2: Convert to fraction form
    198,353.40/273,727.38 = 108,929.40/x
  3. Step 3: Cross multiply
    198,353.40x = 273,727.38 × 108,929.40
  4. Step 4: Simplify right side
    198,353.40x = 29,816,959,266.97
  5. Step 5: Solve for x
    x = 29,816,959,266.97/198,353.40
  6. Step 6: Final answer
    x = 150,322.40

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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.