Home / 129,859.03-194,640.90-54,932.41

Finding the Fourth Proportional to 129,859.03, 194,640.90 and 54,932.41

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Solution

The fourth proportional to 129,859.03, 194,640.90 and 54,932.41 is: 82,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,859.03 : 194,640.90 = 54,932.41 : x
  2. Step 2: Convert to fraction form
    129,859.03/194,640.90 = 54,932.41/x
  3. Step 3: Cross multiply
    129,859.03x = 194,640.90 × 54,932.41
  4. Step 4: Simplify right side
    129,859.03x = 10,692,093,721.57
  5. Step 5: Solve for x
    x = 10,692,093,721.57/129,859.03
  6. Step 6: Final answer
    x = 82,336.16

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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.