Home / 204,128.07-281,680.79-113,478.51

Finding the Fourth Proportional to 204,128.07, 281,680.79 and 113,478.51

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Solution

The fourth proportional to 204,128.07, 281,680.79 and 113,478.51 is: 156,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,128.07 : 281,680.79 = 113,478.51 : x
  2. Step 2: Convert to fraction form
    204,128.07/281,680.79 = 113,478.51/x
  3. Step 3: Cross multiply
    204,128.07x = 281,680.79 × 113,478.51
  4. Step 4: Simplify right side
    204,128.07x = 31,964,715,777.43
  5. Step 5: Solve for x
    x = 31,964,715,777.43/204,128.07
  6. Step 6: Final answer
    x = 156,591.48

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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.