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Finding the Fourth Proportional to 136,551, 204,826.20 and 36,711.20

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Solution

The fourth proportional to 136,551, 204,826.20 and 36,711.20 is: 55,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,551 : 204,826.20 = 36,711.20 : x
  2. Step 2: Convert to fraction form
    136,551/204,826.20 = 36,711.20/x
  3. Step 3: Cross multiply
    136,551x = 204,826.20 × 36,711.20
  4. Step 4: Simplify right side
    136,551x = 7,519,415,593.44
  5. Step 5: Solve for x
    x = 7,519,415,593.44/136,551
  6. Step 6: Final answer
    x = 55,066.72

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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.