Home / 165,786.70-248,680.05-143,236.30

Finding the Fourth Proportional to 165,786.70, 248,680.05 and 143,236.30

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Solution

The fourth proportional to 165,786.70, 248,680.05 and 143,236.30 is: 214,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786.70 : 248,680.05 = 143,236.30 : x
  2. Step 2: Convert to fraction form
    165,786.70/248,680.05 = 143,236.30/x
  3. Step 3: Cross multiply
    165,786.70x = 248,680.05 × 143,236.30
  4. Step 4: Simplify right side
    165,786.70x = 35,620,010,245.82
  5. Step 5: Solve for x
    x = 35,620,010,245.82/165,786.70
  6. Step 6: Final answer
    x = 214,854.45

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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.