Home / 180,258.22-270,405.78-68,032.90

Finding the Fourth Proportional to 180,258.22, 270,405.78 and 68,032.90

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Solution

The fourth proportional to 180,258.22, 270,405.78 and 68,032.90 is: 102,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,258.22 : 270,405.78 = 68,032.90 : x
  2. Step 2: Convert to fraction form
    180,258.22/270,405.78 = 68,032.90/x
  3. Step 3: Cross multiply
    180,258.22x = 270,405.78 × 68,032.90
  4. Step 4: Simplify right side
    180,258.22x = 18,396,489,390.16
  5. Step 5: Solve for x
    x = 18,396,489,390.16/180,258.22
  6. Step 6: Final answer
    x = 102,056.31

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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.