Home / 144,020.94-198,717.06-83,556.54

Finding the Fourth Proportional to 144,020.94, 198,717.06 and 83,556.54

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Solution

The fourth proportional to 144,020.94, 198,717.06 and 83,556.54 is: 115,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,020.94 : 198,717.06 = 83,556.54 : x
  2. Step 2: Convert to fraction form
    144,020.94/198,717.06 = 83,556.54/x
  3. Step 3: Cross multiply
    144,020.94x = 198,717.06 × 83,556.54
  4. Step 4: Simplify right side
    144,020.94x = 16,604,109,972.57
  5. Step 5: Solve for x
    x = 16,604,109,972.57/144,020.94
  6. Step 6: Final answer
    x = 115,289.55

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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.