Home / 192,902.28-289,540.44-93,132.72

Finding the Fourth Proportional to 192,902.28, 289,540.44 and 93,132.72

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Solution

The fourth proportional to 192,902.28, 289,540.44 and 93,132.72 is: 139,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,902.28 : 289,540.44 = 93,132.72 : x
  2. Step 2: Convert to fraction form
    192,902.28/289,540.44 = 93,132.72/x
  3. Step 3: Cross multiply
    192,902.28x = 289,540.44 × 93,132.72
  4. Step 4: Simplify right side
    192,902.28x = 26,965,688,727.20
  5. Step 5: Solve for x
    x = 26,965,688,727.20/192,902.28
  6. Step 6: Final answer
    x = 139,789.37

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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.