Home / 209,230.20-313,845.30-125,249.40

Finding the Fourth Proportional to 209,230.20, 313,845.30 and 125,249.40

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Solution

The fourth proportional to 209,230.20, 313,845.30 and 125,249.40 is: 187,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,230.20 : 313,845.30 = 125,249.40 : x
  2. Step 2: Convert to fraction form
    209,230.20/313,845.30 = 125,249.40/x
  3. Step 3: Cross multiply
    209,230.20x = 313,845.30 × 125,249.40
  4. Step 4: Simplify right side
    209,230.20x = 39,308,935,517.82
  5. Step 5: Solve for x
    x = 39,308,935,517.82/209,230.20
  6. Step 6: Final answer
    x = 187,874.10

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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.