Home / 217,171.62-325,530.07-90,884.22

Finding the Fourth Proportional to 217,171.62, 325,530.07 and 90,884.22

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Solution

The fourth proportional to 217,171.62, 325,530.07 and 90,884.22 is: 136,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,171.62 : 325,530.07 = 90,884.22 : x
  2. Step 2: Convert to fraction form
    217,171.62/325,530.07 = 90,884.22/x
  3. Step 3: Cross multiply
    217,171.62x = 325,530.07 × 90,884.22
  4. Step 4: Simplify right side
    217,171.62x = 29,585,546,498.50
  5. Step 5: Solve for x
    x = 29,585,546,498.50/217,171.62
  6. Step 6: Final answer
    x = 136,231.18

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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.