Home / 165,074.25-227,805.30-89,622.75

Finding the Fourth Proportional to 165,074.25, 227,805.30 and 89,622.75

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Solution

The fourth proportional to 165,074.25, 227,805.30 and 89,622.75 is: 123,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074.25 : 227,805.30 = 89,622.75 : x
  2. Step 2: Convert to fraction form
    165,074.25/227,805.30 = 89,622.75/x
  3. Step 3: Cross multiply
    165,074.25x = 227,805.30 × 89,622.75
  4. Step 4: Simplify right side
    165,074.25x = 20,416,537,450.58
  5. Step 5: Solve for x
    x = 20,416,537,450.58/165,074.25
  6. Step 6: Final answer
    x = 123,680.93

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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.