Home / 129,661.35-194,381.07-49,756.66

Finding the Fourth Proportional to 129,661.35, 194,381.07 and 49,756.66

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Solution

The fourth proportional to 129,661.35, 194,381.07 and 49,756.66 is: 74,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,661.35 : 194,381.07 = 49,756.66 : x
  2. Step 2: Convert to fraction form
    129,661.35/194,381.07 = 49,756.66/x
  3. Step 3: Cross multiply
    129,661.35x = 194,381.07 × 49,756.66
  4. Step 4: Simplify right side
    129,661.35x = 9,671,752,213.57
  5. Step 5: Solve for x
    x = 9,671,752,213.57/129,661.35
  6. Step 6: Final answer
    x = 74,592.41

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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.