Home / 129,814-194,997.48-122,229.84

Finding the Fourth Proportional to 129,814, 194,997.48 and 122,229.84

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Solution

The fourth proportional to 129,814, 194,997.48 and 122,229.84 is: 183,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,814 : 194,997.48 = 122,229.84 : x
  2. Step 2: Convert to fraction form
    129,814/194,997.48 = 122,229.84/x
  3. Step 3: Cross multiply
    129,814x = 194,997.48 × 122,229.84
  4. Step 4: Simplify right side
    129,814x = 23,834,510,780.80
  5. Step 5: Solve for x
    x = 23,834,510,780.80/129,814
  6. Step 6: Final answer
    x = 183,605.09

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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.