Home / 136,146.04-204,067.72-102,757.84

Finding the Fourth Proportional to 136,146.04, 204,067.72 and 102,757.84

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Solution

The fourth proportional to 136,146.04, 204,067.72 and 102,757.84 is: 154,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,146.04 : 204,067.72 = 102,757.84 : x
  2. Step 2: Convert to fraction form
    136,146.04/204,067.72 = 102,757.84/x
  3. Step 3: Cross multiply
    136,146.04x = 204,067.72 × 102,757.84
  4. Step 4: Simplify right side
    136,146.04x = 20,969,558,120.92
  5. Step 5: Solve for x
    x = 20,969,558,120.92/136,146.04
  6. Step 6: Final answer
    x = 154,022.53

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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.