Home / 129,324.88-193,716.60-104,222.80

Finding the Fourth Proportional to 129,324.88, 193,716.60 and 104,222.80

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Solution

The fourth proportional to 129,324.88, 193,716.60 and 104,222.80 is: 156,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,324.88 : 193,716.60 = 104,222.80 : x
  2. Step 2: Convert to fraction form
    129,324.88/193,716.60 = 104,222.80/x
  3. Step 3: Cross multiply
    129,324.88x = 193,716.60 × 104,222.80
  4. Step 4: Simplify right side
    129,324.88x = 20,189,686,458.48
  5. Step 5: Solve for x
    x = 20,189,686,458.48/129,324.88
  6. Step 6: Final answer
    x = 156,116.03

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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.