Home / 129,967.11-194,949.11-41,221.37

Finding the Fourth Proportional to 129,967.11, 194,949.11 and 41,221.37

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Solution

The fourth proportional to 129,967.11, 194,949.11 and 41,221.37 is: 61,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,967.11 : 194,949.11 = 41,221.37 : x
  2. Step 2: Convert to fraction form
    129,967.11/194,949.11 = 41,221.37/x
  3. Step 3: Cross multiply
    129,967.11x = 194,949.11 × 41,221.37
  4. Step 4: Simplify right side
    129,967.11x = 8,036,069,984.91
  5. Step 5: Solve for x
    x = 8,036,069,984.91/129,967.11
  6. Step 6: Final answer
    x = 61,831.57

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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.