Home / 215,086.92-322,350.06-109,817.16

Finding the Fourth Proportional to 215,086.92, 322,350.06 and 109,817.16

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Solution

The fourth proportional to 215,086.92, 322,350.06 and 109,817.16 is: 164,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,086.92 : 322,350.06 = 109,817.16 : x
  2. Step 2: Convert to fraction form
    215,086.92/322,350.06 = 109,817.16/x
  3. Step 3: Cross multiply
    215,086.92x = 322,350.06 × 109,817.16
  4. Step 4: Simplify right side
    215,086.92x = 35,399,568,115.03
  5. Step 5: Solve for x
    x = 35,399,568,115.03/215,086.92
  6. Step 6: Final answer
    x = 164,582.62

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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.