Home / 135,321.60-202,982.40-41,836.80

Finding the Fourth Proportional to 135,321.60, 202,982.40 and 41,836.80

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Solution

The fourth proportional to 135,321.60, 202,982.40 and 41,836.80 is: 62,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,321.60 : 202,982.40 = 41,836.80 : x
  2. Step 2: Convert to fraction form
    135,321.60/202,982.40 = 41,836.80/x
  3. Step 3: Cross multiply
    135,321.60x = 202,982.40 × 41,836.80
  4. Step 4: Simplify right side
    135,321.60x = 8,492,134,072.32
  5. Step 5: Solve for x
    x = 8,492,134,072.32/135,321.60
  6. Step 6: Final answer
    x = 62,755.20

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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.