Home / 197,716.82-272,850.56-107,072.86

Finding the Fourth Proportional to 197,716.82, 272,850.56 and 107,072.86

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Solution

The fourth proportional to 197,716.82, 272,850.56 and 107,072.86 is: 147,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.82 : 272,850.56 = 107,072.86 : x
  2. Step 2: Convert to fraction form
    197,716.82/272,850.56 = 107,072.86/x
  3. Step 3: Cross multiply
    197,716.82x = 272,850.56 × 107,072.86
  4. Step 4: Simplify right side
    197,716.82x = 29,214,889,811.80
  5. Step 5: Solve for x
    x = 29,214,889,811.80/197,716.82
  6. Step 6: Final answer
    x = 147,761.28

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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.