Home / 107,832.20-161,748.30-102,993.80

Finding the Fourth Proportional to 107,832.20, 161,748.30 and 102,993.80

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Solution

The fourth proportional to 107,832.20, 161,748.30 and 102,993.80 is: 154,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,832.20 : 161,748.30 = 102,993.80 : x
  2. Step 2: Convert to fraction form
    107,832.20/161,748.30 = 102,993.80/x
  3. Step 3: Cross multiply
    107,832.20x = 161,748.30 × 102,993.80
  4. Step 4: Simplify right side
    107,832.20x = 16,659,072,060.54
  5. Step 5: Solve for x
    x = 16,659,072,060.54/107,832.20
  6. Step 6: Final answer
    x = 154,490.70

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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.