Home / 149,721.88-206,610.78-82,652.44

Finding the Fourth Proportional to 149,721.88, 206,610.78 and 82,652.44

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Solution

The fourth proportional to 149,721.88, 206,610.78 and 82,652.44 is: 114,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,721.88 : 206,610.78 = 82,652.44 : x
  2. Step 2: Convert to fraction form
    149,721.88/206,610.78 = 82,652.44/x
  3. Step 3: Cross multiply
    149,721.88x = 206,610.78 × 82,652.44
  4. Step 4: Simplify right side
    149,721.88x = 17,076,885,097.30
  5. Step 5: Solve for x
    x = 17,076,885,097.30/149,721.88
  6. Step 6: Final answer
    x = 114,057.38

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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.