Home / 129,169.35-193,674.78-50,191.38

Finding the Fourth Proportional to 129,169.35, 193,674.78 and 50,191.38

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Solution

The fourth proportional to 129,169.35, 193,674.78 and 50,191.38 is: 75,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,169.35 : 193,674.78 = 50,191.38 : x
  2. Step 2: Convert to fraction form
    129,169.35/193,674.78 = 50,191.38/x
  3. Step 3: Cross multiply
    129,169.35x = 193,674.78 × 50,191.38
  4. Step 4: Simplify right side
    129,169.35x = 9,720,804,479.40
  5. Step 5: Solve for x
    x = 9,720,804,479.40/129,169.35
  6. Step 6: Final answer
    x = 75,256.28

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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.