Home / 129,965.50-194,918.28-41,202.46

Finding the Fourth Proportional to 129,965.50, 194,918.28 and 41,202.46

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Solution

The fourth proportional to 129,965.50, 194,918.28 and 41,202.46 is: 61,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965.50 : 194,918.28 = 41,202.46 : x
  2. Step 2: Convert to fraction form
    129,965.50/194,918.28 = 41,202.46/x
  3. Step 3: Cross multiply
    129,965.50x = 194,918.28 × 41,202.46
  4. Step 4: Simplify right side
    129,965.50x = 8,031,112,634.97
  5. Step 5: Solve for x
    x = 8,031,112,634.97/129,965.50
  6. Step 6: Final answer
    x = 61,794.19

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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.