Home / 148,942.73-205,540.58-80,959.70

Finding the Fourth Proportional to 148,942.73, 205,540.58 and 80,959.70

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Solution

The fourth proportional to 148,942.73, 205,540.58 and 80,959.70 is: 111,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,942.73 : 205,540.58 = 80,959.70 : x
  2. Step 2: Convert to fraction form
    148,942.73/205,540.58 = 80,959.70/x
  3. Step 3: Cross multiply
    148,942.73x = 205,540.58 × 80,959.70
  4. Step 4: Simplify right side
    148,942.73x = 16,640,502,262.12
  5. Step 5: Solve for x
    x = 16,640,502,262.12/148,942.73
  6. Step 6: Final answer
    x = 111,724.17

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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.