Home / 165,635.20-248,452.80-82,691.20

Finding the Fourth Proportional to 165,635.20, 248,452.80 and 82,691.20

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Solution

The fourth proportional to 165,635.20, 248,452.80 and 82,691.20 is: 124,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,635.20 : 248,452.80 = 82,691.20 : x
  2. Step 2: Convert to fraction form
    165,635.20/248,452.80 = 82,691.20/x
  3. Step 3: Cross multiply
    165,635.20x = 248,452.80 × 82,691.20
  4. Step 4: Simplify right side
    165,635.20x = 20,544,860,175.36
  5. Step 5: Solve for x
    x = 20,544,860,175.36/165,635.20
  6. Step 6: Final answer
    x = 124,036.80

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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.