Home / 147,982.06-204,216.03-80,914.06

Finding the Fourth Proportional to 147,982.06, 204,216.03 and 80,914.06

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Solution

The fourth proportional to 147,982.06, 204,216.03 and 80,914.06 is: 111,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,982.06 : 204,216.03 = 80,914.06 : x
  2. Step 2: Convert to fraction form
    147,982.06/204,216.03 = 80,914.06/x
  3. Step 3: Cross multiply
    147,982.06x = 204,216.03 × 80,914.06
  4. Step 4: Simplify right side
    147,982.06x = 16,523,948,104.38
  5. Step 5: Solve for x
    x = 16,523,948,104.38/147,982.06
  6. Step 6: Final answer
    x = 111,661.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.