Home / 213,021.68-293,759.92-165,257.60

Finding the Fourth Proportional to 213,021.68, 293,759.92 and 165,257.60

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Solution

The fourth proportional to 213,021.68, 293,759.92 and 165,257.60 is: 227,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,021.68 : 293,759.92 = 165,257.60 : x
  2. Step 2: Convert to fraction form
    213,021.68/293,759.92 = 165,257.60/x
  3. Step 3: Cross multiply
    213,021.68x = 293,759.92 × 165,257.60
  4. Step 4: Simplify right side
    213,021.68x = 48,546,059,355.39
  5. Step 5: Solve for x
    x = 48,546,059,355.39/213,021.68
  6. Step 6: Final answer
    x = 227,892.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.