Home / 141,836.40-212,560.20-100,234.80

Finding the Fourth Proportional to 141,836.40, 212,560.20 and 100,234.80

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Solution

The fourth proportional to 141,836.40, 212,560.20 and 100,234.80 is: 150,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,836.40 : 212,560.20 = 100,234.80 : x
  2. Step 2: Convert to fraction form
    141,836.40/212,560.20 = 100,234.80/x
  3. Step 3: Cross multiply
    141,836.40x = 212,560.20 × 100,234.80
  4. Step 4: Simplify right side
    141,836.40x = 21,305,929,134.96
  5. Step 5: Solve for x
    x = 21,305,929,134.96/141,836.40
  6. Step 6: Final answer
    x = 150,214.82

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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.