Home / 149,621.50-206,481.99-82,557.82

Finding the Fourth Proportional to 149,621.50, 206,481.99 and 82,557.82

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Solution

The fourth proportional to 149,621.50, 206,481.99 and 82,557.82 is: 113,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,621.50 : 206,481.99 = 82,557.82 : x
  2. Step 2: Convert to fraction form
    149,621.50/206,481.99 = 82,557.82/x
  3. Step 3: Cross multiply
    149,621.50x = 206,481.99 × 82,557.82
  4. Step 4: Simplify right side
    149,621.50x = 17,046,702,963.66
  5. Step 5: Solve for x
    x = 17,046,702,963.66/149,621.50
  6. Step 6: Final answer
    x = 113,932.18

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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.