Home / 151,231.87-226,716.57-76,289.45

Finding the Fourth Proportional to 151,231.87, 226,716.57 and 76,289.45

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Solution

The fourth proportional to 151,231.87, 226,716.57 and 76,289.45 is: 114,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,231.87 : 226,716.57 = 76,289.45 : x
  2. Step 2: Convert to fraction form
    151,231.87/226,716.57 = 76,289.45/x
  3. Step 3: Cross multiply
    151,231.87x = 226,716.57 × 76,289.45
  4. Step 4: Simplify right side
    151,231.87x = 17,296,082,431.19
  5. Step 5: Solve for x
    x = 17,296,082,431.19/151,231.87
  6. Step 6: Final answer
    x = 114,367.97

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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.