Home / 154,629.84-231,964.92-43,824.72

Finding the Fourth Proportional to 154,629.84, 231,964.92 and 43,824.72

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Solution

The fourth proportional to 154,629.84, 231,964.92 and 43,824.72 is: 65,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,629.84 : 231,964.92 = 43,824.72 : x
  2. Step 2: Convert to fraction form
    154,629.84/231,964.92 = 43,824.72/x
  3. Step 3: Cross multiply
    154,629.84x = 231,964.92 × 43,824.72
  4. Step 4: Simplify right side
    154,629.84x = 10,165,797,668.82
  5. Step 5: Solve for x
    x = 10,165,797,668.82/154,629.84
  6. Step 6: Final answer
    x = 65,742.79

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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.