Home / 180,836.90-270,996.15-133,079.30

Finding the Fourth Proportional to 180,836.90, 270,996.15 and 133,079.30

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Solution

The fourth proportional to 180,836.90, 270,996.15 and 133,079.30 is: 199,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,836.90 : 270,996.15 = 133,079.30 : x
  2. Step 2: Convert to fraction form
    180,836.90/270,996.15 = 133,079.30/x
  3. Step 3: Cross multiply
    180,836.90x = 270,996.15 × 133,079.30
  4. Step 4: Simplify right side
    180,836.90x = 36,063,977,944.70
  5. Step 5: Solve for x
    x = 36,063,977,944.70/180,836.90
  6. Step 6: Final answer
    x = 199,428.20

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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.