Home / 192,889.03-289,057.83-108,472

Finding the Fourth Proportional to 192,889.03, 289,057.83 and 108,472

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Solution

The fourth proportional to 192,889.03, 289,057.83 and 108,472 is: 162,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,889.03 : 289,057.83 = 108,472 : x
  2. Step 2: Convert to fraction form
    192,889.03/289,057.83 = 108,472/x
  3. Step 3: Cross multiply
    192,889.03x = 289,057.83 × 108,472
  4. Step 4: Simplify right side
    192,889.03x = 31,354,680,935.76
  5. Step 5: Solve for x
    x = 31,354,680,935.76/192,889.03
  6. Step 6: Final answer
    x = 162,552.95

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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.