Home / 209,260.51-313,899-109,352.86

Finding the Fourth Proportional to 209,260.51, 313,899 and 109,352.86

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Solution

The fourth proportional to 209,260.51, 313,899 and 109,352.86 is: 164,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,260.51 : 313,899 = 109,352.86 : x
  2. Step 2: Convert to fraction form
    209,260.51/313,899 = 109,352.86/x
  3. Step 3: Cross multiply
    209,260.51x = 313,899 × 109,352.86
  4. Step 4: Simplify right side
    209,260.51x = 34,325,753,401.14
  5. Step 5: Solve for x
    x = 34,325,753,401.14/209,260.51
  6. Step 6: Final answer
    x = 164,033.59

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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.