Home / 161,286.12-241,221.78-143,641.26

Finding the Fourth Proportional to 161,286.12, 241,221.78 and 143,641.26

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Solution

The fourth proportional to 161,286.12, 241,221.78 and 143,641.26 is: 214,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,286.12 : 241,221.78 = 143,641.26 : x
  2. Step 2: Convert to fraction form
    161,286.12/241,221.78 = 143,641.26/x
  3. Step 3: Cross multiply
    161,286.12x = 241,221.78 × 143,641.26
  4. Step 4: Simplify right side
    161,286.12x = 34,649,400,418.64
  5. Step 5: Solve for x
    x = 34,649,400,418.64/161,286.12
  6. Step 6: Final answer
    x = 214,831.88

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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.