Home / 180,259.22-270,407.28-68,033.90

Finding the Fourth Proportional to 180,259.22, 270,407.28 and 68,033.90

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Solution

The fourth proportional to 180,259.22, 270,407.28 and 68,033.90 is: 102,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,259.22 : 270,407.28 = 68,033.90 : x
  2. Step 2: Convert to fraction form
    180,259.22/270,407.28 = 68,033.90/x
  3. Step 3: Cross multiply
    180,259.22x = 270,407.28 × 68,033.90
  4. Step 4: Simplify right side
    180,259.22x = 18,396,861,846.79
  5. Step 5: Solve for x
    x = 18,396,861,846.79/180,259.22
  6. Step 6: Final answer
    x = 102,057.81

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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.