Home / 215,850.26-323,773.36-121,080.26

Finding the Fourth Proportional to 215,850.26, 323,773.36 and 121,080.26

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Solution

The fourth proportional to 215,850.26, 323,773.36 and 121,080.26 is: 181,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,850.26 : 323,773.36 = 121,080.26 : x
  2. Step 2: Convert to fraction form
    215,850.26/323,773.36 = 121,080.26/x
  3. Step 3: Cross multiply
    215,850.26x = 323,773.36 × 121,080.26
  4. Step 4: Simplify right side
    215,850.26x = 39,202,562,609.87
  5. Step 5: Solve for x
    x = 39,202,562,609.87/215,850.26
  6. Step 6: Final answer
    x = 181,619.25

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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.