Home / 107,687.41-161,521.87-65,556.56

Finding the Fourth Proportional to 107,687.41, 161,521.87 and 65,556.56

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Solution

The fourth proportional to 107,687.41, 161,521.87 and 65,556.56 is: 98,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.41 : 161,521.87 = 65,556.56 : x
  2. Step 2: Convert to fraction form
    107,687.41/161,521.87 = 65,556.56/x
  3. Step 3: Cross multiply
    107,687.41x = 161,521.87 × 65,556.56
  4. Step 4: Simplify right side
    107,687.41x = 10,588,818,161.97
  5. Step 5: Solve for x
    x = 10,588,818,161.97/107,687.41
  6. Step 6: Final answer
    x = 98,329.21

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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.