Home / 148,005.44-204,243.36-80,936

Finding the Fourth Proportional to 148,005.44, 204,243.36 and 80,936

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Solution

The fourth proportional to 148,005.44, 204,243.36 and 80,936 is: 111,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,005.44 : 204,243.36 = 80,936 : x
  2. Step 2: Convert to fraction form
    148,005.44/204,243.36 = 80,936/x
  3. Step 3: Cross multiply
    148,005.44x = 204,243.36 × 80,936
  4. Step 4: Simplify right side
    148,005.44x = 16,530,640,584.96
  5. Step 5: Solve for x
    x = 16,530,640,584.96/148,005.44
  6. Step 6: Final answer
    x = 111,689.41

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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.