Home / 209,100.08-313,651.17-51,328.55

Finding the Fourth Proportional to 209,100.08, 313,651.17 and 51,328.55

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Solution

The fourth proportional to 209,100.08, 313,651.17 and 51,328.55 is: 76,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,100.08 : 313,651.17 = 51,328.55 : x
  2. Step 2: Convert to fraction form
    209,100.08/313,651.17 = 51,328.55/x
  3. Step 3: Cross multiply
    209,100.08x = 313,651.17 × 51,328.55
  4. Step 4: Simplify right side
    209,100.08x = 16,099,260,546.03
  5. Step 5: Solve for x
    x = 16,099,260,546.03/209,100.08
  6. Step 6: Final answer
    x = 76,993.09

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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.