Home / 208,933.20-313,282.13-66,745.08

Finding the Fourth Proportional to 208,933.20, 313,282.13 and 66,745.08

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Solution

The fourth proportional to 208,933.20, 313,282.13 and 66,745.08 is: 100,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,933.20 : 313,282.13 = 66,745.08 : x
  2. Step 2: Convert to fraction form
    208,933.20/313,282.13 = 66,745.08/x
  3. Step 3: Cross multiply
    208,933.20x = 313,282.13 × 66,745.08
  4. Step 4: Simplify right side
    208,933.20x = 20,910,040,495.70
  5. Step 5: Solve for x
    x = 20,910,040,495.70/208,933.20
  6. Step 6: Final answer
    x = 100,080.03

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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.