Home / 180,104.12-270,295.64-67,886.44

Finding the Fourth Proportional to 180,104.12, 270,295.64 and 67,886.44

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Solution

The fourth proportional to 180,104.12, 270,295.64 and 67,886.44 is: 101,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,104.12 : 270,295.64 = 67,886.44 : x
  2. Step 2: Convert to fraction form
    180,104.12/270,295.64 = 67,886.44/x
  3. Step 3: Cross multiply
    180,104.12x = 270,295.64 × 67,886.44
  4. Step 4: Simplify right side
    180,104.12x = 18,349,408,747.12
  5. Step 5: Solve for x
    x = 18,349,408,747.12/180,104.12
  6. Step 6: Final answer
    x = 101,882.23

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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.