Home / 129,824.10-194,715.90-41,099.40

Finding the Fourth Proportional to 129,824.10, 194,715.90 and 41,099.40

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Solution

The fourth proportional to 129,824.10, 194,715.90 and 41,099.40 is: 61,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,824.10 : 194,715.90 = 41,099.40 : x
  2. Step 2: Convert to fraction form
    129,824.10/194,715.90 = 41,099.40/x
  3. Step 3: Cross multiply
    129,824.10x = 194,715.90 × 41,099.40
  4. Step 4: Simplify right side
    129,824.10x = 8,002,706,660.46
  5. Step 5: Solve for x
    x = 8,002,706,660.46/129,824.10
  6. Step 6: Final answer
    x = 61,642.69

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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.