Home / 208,974.92-288,458.97-124,091.39

Finding the Fourth Proportional to 208,974.92, 288,458.97 and 124,091.39

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Solution

The fourth proportional to 208,974.92, 288,458.97 and 124,091.39 is: 171,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,974.92 : 288,458.97 = 124,091.39 : x
  2. Step 2: Convert to fraction form
    208,974.92/288,458.97 = 124,091.39/x
  3. Step 3: Cross multiply
    208,974.92x = 288,458.97 × 124,091.39
  4. Step 4: Simplify right side
    208,974.92x = 35,795,274,545.27
  5. Step 5: Solve for x
    x = 35,795,274,545.27/208,974.92
  6. Step 6: Final answer
    x = 171,289.81

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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.