Home / 203,979.69-281,491.07-113,350.41

Finding the Fourth Proportional to 203,979.69, 281,491.07 and 113,350.41

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Solution

The fourth proportional to 203,979.69, 281,491.07 and 113,350.41 is: 156,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,979.69 : 281,491.07 = 113,350.41 : x
  2. Step 2: Convert to fraction form
    203,979.69/281,491.07 = 113,350.41/x
  3. Step 3: Cross multiply
    203,979.69x = 281,491.07 × 113,350.41
  4. Step 4: Simplify right side
    203,979.69x = 31,907,127,629.09
  5. Step 5: Solve for x
    x = 31,907,127,629.09/203,979.69
  6. Step 6: Final answer
    x = 156,423.06

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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.