Home / 209,180.24-313,425.50-120,508.32

Finding the Fourth Proportional to 209,180.24, 313,425.50 and 120,508.32

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Solution

The fourth proportional to 209,180.24, 313,425.50 and 120,508.32 is: 180,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,180.24 : 313,425.50 = 120,508.32 : x
  2. Step 2: Convert to fraction form
    209,180.24/313,425.50 = 120,508.32/x
  3. Step 3: Cross multiply
    209,180.24x = 313,425.50 × 120,508.32
  4. Step 4: Simplify right side
    209,180.24x = 37,770,380,450.16
  5. Step 5: Solve for x
    x = 37,770,380,450.16/209,180.24
  6. Step 6: Final answer
    x = 180,563.81

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1.5x scale

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.