Home / 129,760.92-194,672.81-63,185.90

Finding the Fourth Proportional to 129,760.92, 194,672.81 and 63,185.90

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Solution

The fourth proportional to 129,760.92, 194,672.81 and 63,185.90 is: 94,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,760.92 : 194,672.81 = 63,185.90 : x
  2. Step 2: Convert to fraction form
    129,760.92/194,672.81 = 63,185.90/x
  3. Step 3: Cross multiply
    129,760.92x = 194,672.81 × 63,185.90
  4. Step 4: Simplify right side
    129,760.92x = 12,300,575,889.98
  5. Step 5: Solve for x
    x = 12,300,575,889.98/129,760.92
  6. Step 6: Final answer
    x = 94,794.15

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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.