Home / 208,764.45-313,138.17-96,407.73

Finding the Fourth Proportional to 208,764.45, 313,138.17 and 96,407.73

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Solution

The fourth proportional to 208,764.45, 313,138.17 and 96,407.73 is: 144,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,764.45 : 313,138.17 = 96,407.73 : x
  2. Step 2: Convert to fraction form
    208,764.45/313,138.17 = 96,407.73/x
  3. Step 3: Cross multiply
    208,764.45x = 313,138.17 × 96,407.73
  4. Step 4: Simplify right side
    208,764.45x = 30,188,940,146.05
  5. Step 5: Solve for x
    x = 30,188,940,146.05/208,764.45
  6. Step 6: Final answer
    x = 144,607.67

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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.