Home / 192,627.24-288,869-66,231.72

Finding the Fourth Proportional to 192,627.24, 288,869 and 66,231.72

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Solution

The fourth proportional to 192,627.24, 288,869 and 66,231.72 is: 99,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,627.24 : 288,869 = 66,231.72 : x
  2. Step 2: Convert to fraction form
    192,627.24/288,869 = 66,231.72/x
  3. Step 3: Cross multiply
    192,627.24x = 288,869 × 66,231.72
  4. Step 4: Simplify right side
    192,627.24x = 19,132,290,724.68
  5. Step 5: Solve for x
    x = 19,132,290,724.68/192,627.24
  6. Step 6: Final answer
    x = 99,322.87

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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.