Home / 129,872.88-194,838.48-41,119.56

Finding the Fourth Proportional to 129,872.88, 194,838.48 and 41,119.56

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Solution

The fourth proportional to 129,872.88, 194,838.48 and 41,119.56 is: 61,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,872.88 : 194,838.48 = 41,119.56 : x
  2. Step 2: Convert to fraction form
    129,872.88/194,838.48 = 41,119.56/x
  3. Step 3: Cross multiply
    129,872.88x = 194,838.48 × 41,119.56
  4. Step 4: Simplify right side
    129,872.88x = 8,011,672,568.67
  5. Step 5: Solve for x
    x = 8,011,672,568.67/129,872.88
  6. Step 6: Final answer
    x = 61,688.57

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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.