Home / 165,628.20-248,442.30-82,684.20

Finding the Fourth Proportional to 165,628.20, 248,442.30 and 82,684.20

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Solution

The fourth proportional to 165,628.20, 248,442.30 and 82,684.20 is: 124,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,628.20 : 248,442.30 = 82,684.20 : x
  2. Step 2: Convert to fraction form
    165,628.20/248,442.30 = 82,684.20/x
  3. Step 3: Cross multiply
    165,628.20x = 248,442.30 × 82,684.20
  4. Step 4: Simplify right side
    165,628.20x = 20,542,252,821.66
  5. Step 5: Solve for x
    x = 20,542,252,821.66/165,628.20
  6. Step 6: Final answer
    x = 124,026.30

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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.