Home / 209,366.40-313,944.48-96,949.92

Finding the Fourth Proportional to 209,366.40, 313,944.48 and 96,949.92

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Solution

The fourth proportional to 209,366.40, 313,944.48 and 96,949.92 is: 145,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,366.40 : 313,944.48 = 96,949.92 : x
  2. Step 2: Convert to fraction form
    209,366.40/313,944.48 = 96,949.92/x
  3. Step 3: Cross multiply
    209,366.40x = 313,944.48 × 96,949.92
  4. Step 4: Simplify right side
    209,366.40x = 30,436,892,220.44
  5. Step 5: Solve for x
    x = 30,436,892,220.44/209,366.40
  6. Step 6: Final answer
    x = 145,376.20

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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.