Home / 165,440.90-248,161.35-82,324.10

Finding the Fourth Proportional to 165,440.90, 248,161.35 and 82,324.10

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Solution

The fourth proportional to 165,440.90, 248,161.35 and 82,324.10 is: 123,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,440.90 : 248,161.35 = 82,324.10 : x
  2. Step 2: Convert to fraction form
    165,440.90/248,161.35 = 82,324.10/x
  3. Step 3: Cross multiply
    165,440.90x = 248,161.35 × 82,324.10
  4. Step 4: Simplify right side
    165,440.90x = 20,429,659,793.54
  5. Step 5: Solve for x
    x = 20,429,659,793.54/165,440.90
  6. Step 6: Final answer
    x = 123,486.15

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1.5x scale

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.