Home / 217,020.26-325,530.41-90,591.55

Finding the Fourth Proportional to 217,020.26, 325,530.41 and 90,591.55

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Solution

The fourth proportional to 217,020.26, 325,530.41 and 90,591.55 is: 135,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,020.26 : 325,530.41 = 90,591.55 : x
  2. Step 2: Convert to fraction form
    217,020.26/325,530.41 = 90,591.55/x
  3. Step 3: Cross multiply
    217,020.26x = 325,530.41 × 90,591.55
  4. Step 4: Simplify right side
    217,020.26x = 29,490,303,147.25
  5. Step 5: Solve for x
    x = 29,490,303,147.25/217,020.26
  6. Step 6: Final answer
    x = 135,887.33

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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.