Home / 180,513.48-270,578.22-68,145.96

Finding the Fourth Proportional to 180,513.48, 270,578.22 and 68,145.96

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Solution

The fourth proportional to 180,513.48, 270,578.22 and 68,145.96 is: 102,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,513.48 : 270,578.22 = 68,145.96 : x
  2. Step 2: Convert to fraction form
    180,513.48/270,578.22 = 68,145.96/x
  3. Step 3: Cross multiply
    180,513.48x = 270,578.22 × 68,145.96
  4. Step 4: Simplify right side
    180,513.48x = 18,438,812,556.99
  5. Step 5: Solve for x
    x = 18,438,812,556.99/180,513.48
  6. Step 6: Final answer
    x = 102,146.46

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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.