Home / 204,035.69-281,569.83-113,391.38

Finding the Fourth Proportional to 204,035.69, 281,569.83 and 113,391.38

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Solution

The fourth proportional to 204,035.69, 281,569.83 and 113,391.38 is: 156,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,035.69 : 281,569.83 = 113,391.38 : x
  2. Step 2: Convert to fraction form
    204,035.69/281,569.83 = 113,391.38/x
  3. Step 3: Cross multiply
    204,035.69x = 281,569.83 × 113,391.38
  4. Step 4: Simplify right side
    204,035.69x = 31,927,591,590.07
  5. Step 5: Solve for x
    x = 31,927,591,590.07/204,035.69
  6. Step 6: Final answer
    x = 156,480.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.