Home / 231,120.24-346,396.80-131,364

Finding the Fourth Proportional to 231,120.24, 346,396.80 and 131,364

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Solution

The fourth proportional to 231,120.24, 346,396.80 and 131,364 is: 196,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,120.24 : 346,396.80 = 131,364 : x
  2. Step 2: Convert to fraction form
    231,120.24/346,396.80 = 131,364/x
  3. Step 3: Cross multiply
    231,120.24x = 346,396.80 × 131,364
  4. Step 4: Simplify right side
    231,120.24x = 45,504,069,235.20
  5. Step 5: Solve for x
    x = 45,504,069,235.20/231,120.24
  6. Step 6: Final answer
    x = 196,884.83

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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.