Home / 209,209.26-313,947.54-76,076.85

Finding the Fourth Proportional to 209,209.26, 313,947.54 and 76,076.85

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Solution

The fourth proportional to 209,209.26, 313,947.54 and 76,076.85 is: 114,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,209.26 : 313,947.54 = 76,076.85 : x
  2. Step 2: Convert to fraction form
    209,209.26/313,947.54 = 76,076.85/x
  3. Step 3: Cross multiply
    209,209.26x = 313,947.54 × 76,076.85
  4. Step 4: Simplify right side
    209,209.26x = 23,884,139,908.45
  5. Step 5: Solve for x
    x = 23,884,139,908.45/209,209.26
  6. Step 6: Final answer
    x = 114,163.88

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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.