Home / 179,986.38-270,028.70-78,766.03

Finding the Fourth Proportional to 179,986.38, 270,028.70 and 78,766.03

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Solution

The fourth proportional to 179,986.38, 270,028.70 and 78,766.03 is: 118,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,986.38 : 270,028.70 = 78,766.03 : x
  2. Step 2: Convert to fraction form
    179,986.38/270,028.70 = 78,766.03/x
  3. Step 3: Cross multiply
    179,986.38x = 270,028.70 × 78,766.03
  4. Step 4: Simplify right side
    179,986.38x = 21,269,088,685.06
  5. Step 5: Solve for x
    x = 21,269,088,685.06/179,986.38
  6. Step 6: Final answer
    x = 118,170.55

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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.