Home / 180,517.32-270,858.94-68,236.54

Finding the Fourth Proportional to 180,517.32, 270,858.94 and 68,236.54

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Solution

The fourth proportional to 180,517.32, 270,858.94 and 68,236.54 is: 102,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,517.32 : 270,858.94 = 68,236.54 : x
  2. Step 2: Convert to fraction form
    180,517.32/270,858.94 = 68,236.54/x
  3. Step 3: Cross multiply
    180,517.32x = 270,858.94 × 68,236.54
  4. Step 4: Simplify right side
    180,517.32x = 18,482,476,045.93
  5. Step 5: Solve for x
    x = 18,482,476,045.93/180,517.32
  6. Step 6: Final answer
    x = 102,386.16

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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.