Home / 129,556.69-194,361.16-54,676.92

Finding the Fourth Proportional to 129,556.69, 194,361.16 and 54,676.92

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Solution

The fourth proportional to 129,556.69, 194,361.16 and 54,676.92 is: 82,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,556.69 : 194,361.16 = 54,676.92 : x
  2. Step 2: Convert to fraction form
    129,556.69/194,361.16 = 54,676.92/x
  3. Step 3: Cross multiply
    129,556.69x = 194,361.16 × 54,676.92
  4. Step 4: Simplify right side
    129,556.69x = 10,627,069,596.43
  5. Step 5: Solve for x
    x = 10,627,069,596.43/129,556.69
  6. Step 6: Final answer
    x = 82,026.41

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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.