Home / 192,863.48-289,341.41-80,481.18

Finding the Fourth Proportional to 192,863.48, 289,341.41 and 80,481.18

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Solution

The fourth proportional to 192,863.48, 289,341.41 and 80,481.18 is: 120,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,863.48 : 289,341.41 = 80,481.18 : x
  2. Step 2: Convert to fraction form
    192,863.48/289,341.41 = 80,481.18/x
  3. Step 3: Cross multiply
    192,863.48x = 289,341.41 × 80,481.18
  4. Step 4: Simplify right side
    192,863.48x = 23,286,537,697.26
  5. Step 5: Solve for x
    x = 23,286,537,697.26/192,863.48
  6. Step 6: Final answer
    x = 120,741.05

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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.