Home / 129,137.88-194,002.02-123,830.04

Finding the Fourth Proportional to 129,137.88, 194,002.02 and 123,830.04

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Solution

The fourth proportional to 129,137.88, 194,002.02 and 123,830.04 is: 186,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,137.88 : 194,002.02 = 123,830.04 : x
  2. Step 2: Convert to fraction form
    129,137.88/194,002.02 = 123,830.04/x
  3. Step 3: Cross multiply
    129,137.88x = 194,002.02 × 123,830.04
  4. Step 4: Simplify right side
    129,137.88x = 24,023,277,896.68
  5. Step 5: Solve for x
    x = 24,023,277,896.68/129,137.88
  6. Step 6: Final answer
    x = 186,028.13

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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.