Home / 209,227.83-313,835.94-76,110.54

Finding the Fourth Proportional to 209,227.83, 313,835.94 and 76,110.54

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Solution

The fourth proportional to 209,227.83, 313,835.94 and 76,110.54 is: 114,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,227.83 : 313,835.94 = 76,110.54 : x
  2. Step 2: Convert to fraction form
    209,227.83/313,835.94 = 76,110.54/x
  3. Step 3: Cross multiply
    209,227.83x = 313,835.94 × 76,110.54
  4. Step 4: Simplify right side
    209,227.83x = 23,886,222,864.81
  5. Step 5: Solve for x
    x = 23,886,222,864.81/209,227.83
  6. Step 6: Final answer
    x = 114,163.70

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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.