Home / 203,942.59-281,485.79-113,329.71

Finding the Fourth Proportional to 203,942.59, 281,485.79 and 113,329.71

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Solution

The fourth proportional to 203,942.59, 281,485.79 and 113,329.71 is: 156,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942.59 : 281,485.79 = 113,329.71 : x
  2. Step 2: Convert to fraction form
    203,942.59/281,485.79 = 113,329.71/x
  3. Step 3: Cross multiply
    203,942.59x = 281,485.79 × 113,329.71
  4. Step 4: Simplify right side
    203,942.59x = 31,900,702,965.81
  5. Step 5: Solve for x
    x = 31,900,702,965.81/203,942.59
  6. Step 6: Final answer
    x = 156,420.02

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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.