Home / 197,926-273,155.16-108,519.28

Finding the Fourth Proportional to 197,926, 273,155.16 and 108,519.28

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Solution

The fourth proportional to 197,926, 273,155.16 and 108,519.28 is: 149,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,926 : 273,155.16 = 108,519.28 : x
  2. Step 2: Convert to fraction form
    197,926/273,155.16 = 108,519.28/x
  3. Step 3: Cross multiply
    197,926x = 273,155.16 × 108,519.28
  4. Step 4: Simplify right side
    197,926x = 29,642,601,291.48
  5. Step 5: Solve for x
    x = 29,642,601,291.48/197,926
  6. Step 6: Final answer
    x = 149,766.08

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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.