Home / 149,732.78-206,631.36-82,664.78

Finding the Fourth Proportional to 149,732.78, 206,631.36 and 82,664.78

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Solution

The fourth proportional to 149,732.78, 206,631.36 and 82,664.78 is: 114,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,732.78 : 206,631.36 = 82,664.78 : x
  2. Step 2: Convert to fraction form
    149,732.78/206,631.36 = 82,664.78/x
  3. Step 3: Cross multiply
    149,732.78x = 206,631.36 × 82,664.78
  4. Step 4: Simplify right side
    149,732.78x = 17,081,135,915.50
  5. Step 5: Solve for x
    x = 17,081,135,915.50/149,732.78
  6. Step 6: Final answer
    x = 114,077.46

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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.