Home / 129,725.26-194,208.78-117,273.94

Finding the Fourth Proportional to 129,725.26, 194,208.78 and 117,273.94

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Solution

The fourth proportional to 129,725.26, 194,208.78 and 117,273.94 is: 175,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,725.26 : 194,208.78 = 117,273.94 : x
  2. Step 2: Convert to fraction form
    129,725.26/194,208.78 = 117,273.94/x
  3. Step 3: Cross multiply
    129,725.26x = 194,208.78 × 117,273.94
  4. Step 4: Simplify right side
    129,725.26x = 22,775,628,813.19
  5. Step 5: Solve for x
    x = 22,775,628,813.19/129,725.26
  6. Step 6: Final answer
    x = 175,568.19

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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.