Home / 140,556.26-210,936.47-55,179.43

Finding the Fourth Proportional to 140,556.26, 210,936.47 and 55,179.43

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Solution

The fourth proportional to 140,556.26, 210,936.47 and 55,179.43 is: 82,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,556.26 : 210,936.47 = 55,179.43 : x
  2. Step 2: Convert to fraction form
    140,556.26/210,936.47 = 55,179.43/x
  3. Step 3: Cross multiply
    140,556.26x = 210,936.47 × 55,179.43
  4. Step 4: Simplify right side
    140,556.26x = 11,639,353,377.57
  5. Step 5: Solve for x
    x = 11,639,353,377.57/140,556.26
  6. Step 6: Final answer
    x = 82,809.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.