Home / 203,936.38-305,935.60-104,042.02

Finding the Fourth Proportional to 203,936.38, 305,935.60 and 104,042.02

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Solution

The fourth proportional to 203,936.38, 305,935.60 and 104,042.02 is: 156,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,936.38 : 305,935.60 = 104,042.02 : x
  2. Step 2: Convert to fraction form
    203,936.38/305,935.60 = 104,042.02/x
  3. Step 3: Cross multiply
    203,936.38x = 305,935.60 × 104,042.02
  4. Step 4: Simplify right side
    203,936.38x = 31,830,157,813.91
  5. Step 5: Solve for x
    x = 31,830,157,813.91/203,936.38
  6. Step 6: Final answer
    x = 156,078.86

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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.