Home / 129,760.46-194,580.21-67,414.22

Finding the Fourth Proportional to 129,760.46, 194,580.21 and 67,414.22

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Solution

The fourth proportional to 129,760.46, 194,580.21 and 67,414.22 is: 101,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,760.46 : 194,580.21 = 67,414.22 : x
  2. Step 2: Convert to fraction form
    129,760.46/194,580.21 = 67,414.22/x
  3. Step 3: Cross multiply
    129,760.46x = 194,580.21 × 67,414.22
  4. Step 4: Simplify right side
    129,760.46x = 13,117,473,084.59
  5. Step 5: Solve for x
    x = 13,117,473,084.59/129,760.46
  6. Step 6: Final answer
    x = 101,089.91

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1.5x scale

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.