Home / 149,407.22-206,181.96-82,339.22

Finding the Fourth Proportional to 149,407.22, 206,181.96 and 82,339.22

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Solution

The fourth proportional to 149,407.22, 206,181.96 and 82,339.22 is: 113,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,407.22 : 206,181.96 = 82,339.22 : x
  2. Step 2: Convert to fraction form
    149,407.22/206,181.96 = 82,339.22/x
  3. Step 3: Cross multiply
    149,407.22x = 206,181.96 × 82,339.22
  4. Step 4: Simplify right side
    149,407.22x = 16,976,861,764.47
  5. Step 5: Solve for x
    x = 16,976,861,764.47/149,407.22
  6. Step 6: Final answer
    x = 113,628.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.