Home / 165,964.20-248,649.30-100,930.20

Finding the Fourth Proportional to 165,964.20, 248,649.30 and 100,930.20

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Solution

The fourth proportional to 165,964.20, 248,649.30 and 100,930.20 is: 151,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,964.20 : 248,649.30 = 100,930.20 : x
  2. Step 2: Convert to fraction form
    165,964.20/248,649.30 = 100,930.20/x
  3. Step 3: Cross multiply
    165,964.20x = 248,649.30 × 100,930.20
  4. Step 4: Simplify right side
    165,964.20x = 25,096,223,578.86
  5. Step 5: Solve for x
    x = 25,096,223,578.86/165,964.20
  6. Step 6: Final answer
    x = 151,214.68

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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.