Home / 135,942.40-203,913.60-133,974.10

Finding the Fourth Proportional to 135,942.40, 203,913.60 and 133,974.10

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Solution

The fourth proportional to 135,942.40, 203,913.60 and 133,974.10 is: 200,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,942.40 : 203,913.60 = 133,974.10 : x
  2. Step 2: Convert to fraction form
    135,942.40/203,913.60 = 133,974.10/x
  3. Step 3: Cross multiply
    135,942.40x = 203,913.60 × 133,974.10
  4. Step 4: Simplify right side
    135,942.40x = 27,319,141,037.76
  5. Step 5: Solve for x
    x = 27,319,141,037.76/135,942.40
  6. Step 6: Final answer
    x = 200,961.15

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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.