Home / 148,539.97-204,983.76-80,558.44

Finding the Fourth Proportional to 148,539.97, 204,983.76 and 80,558.44

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Solution

The fourth proportional to 148,539.97, 204,983.76 and 80,558.44 is: 111,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,539.97 : 204,983.76 = 80,558.44 : x
  2. Step 2: Convert to fraction form
    148,539.97/204,983.76 = 80,558.44/x
  3. Step 3: Cross multiply
    148,539.97x = 204,983.76 × 80,558.44
  4. Step 4: Simplify right side
    148,539.97x = 16,513,172,187.16
  5. Step 5: Solve for x
    x = 16,513,172,187.16/148,539.97
  6. Step 6: Final answer
    x = 111,169.89

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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.