Home / 345,144.27-517,751.82-132,091.40

Finding the Fourth Proportional to 345,144.27, 517,751.82 and 132,091.40

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Solution

The fourth proportional to 345,144.27, 517,751.82 and 132,091.40 is: 198,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,144.27 : 517,751.82 = 132,091.40 : x
  2. Step 2: Convert to fraction form
    345,144.27/517,751.82 = 132,091.40/x
  3. Step 3: Cross multiply
    345,144.27x = 517,751.82 × 132,091.40
  4. Step 4: Simplify right side
    345,144.27x = 68,390,560,224.53
  5. Step 5: Solve for x
    x = 68,390,560,224.53/345,144.27
  6. Step 6: Final answer
    x = 198,150.65

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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.