Home / 197,691.09-272,813.32-107,046.78

Finding the Fourth Proportional to 197,691.09, 272,813.32 and 107,046.78

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Solution

The fourth proportional to 197,691.09, 272,813.32 and 107,046.78 is: 147,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,691.09 : 272,813.32 = 107,046.78 : x
  2. Step 2: Convert to fraction form
    197,691.09/272,813.32 = 107,046.78/x
  3. Step 3: Cross multiply
    197,691.09x = 272,813.32 × 107,046.78
  4. Step 4: Simplify right side
    197,691.09x = 29,203,787,179.49
  5. Step 5: Solve for x
    x = 29,203,787,179.49/197,691.09
  6. Step 6: Final answer
    x = 147,724.35

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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.