Home / 208,187.82-312,286.59-95,961.92

Finding the Fourth Proportional to 208,187.82, 312,286.59 and 95,961.92

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Solution

The fourth proportional to 208,187.82, 312,286.59 and 95,961.92 is: 143,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,187.82 : 312,286.59 = 95,961.92 : x
  2. Step 2: Convert to fraction form
    208,187.82/312,286.59 = 95,961.92/x
  3. Step 3: Cross multiply
    208,187.82x = 312,286.59 × 95,961.92
  4. Step 4: Simplify right side
    208,187.82x = 29,967,619,205.22
  5. Step 5: Solve for x
    x = 29,967,619,205.22/208,187.82
  6. Step 6: Final answer
    x = 143,945.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.