Home / 231,196.60-346,725.78-120,328.12

Finding the Fourth Proportional to 231,196.60, 346,725.78 and 120,328.12

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Solution

The fourth proportional to 231,196.60, 346,725.78 and 120,328.12 is: 180,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,196.60 : 346,725.78 = 120,328.12 : x
  2. Step 2: Convert to fraction form
    231,196.60/346,725.78 = 120,328.12/x
  3. Step 3: Cross multiply
    231,196.60x = 346,725.78 × 120,328.12
  4. Step 4: Simplify right side
    231,196.60x = 41,720,861,262.93
  5. Step 5: Solve for x
    x = 41,720,861,262.93/231,196.60
  6. Step 6: Final answer
    x = 180,456.21

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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.