Home / 161,734.20-242,633.70-135,619.80

Finding the Fourth Proportional to 161,734.20, 242,633.70 and 135,619.80

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Solution

The fourth proportional to 161,734.20, 242,633.70 and 135,619.80 is: 203,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734.20 : 242,633.70 = 135,619.80 : x
  2. Step 2: Convert to fraction form
    161,734.20/242,633.70 = 135,619.80/x
  3. Step 3: Cross multiply
    161,734.20x = 242,633.70 × 135,619.80
  4. Step 4: Simplify right side
    161,734.20x = 32,905,933,867.26
  5. Step 5: Solve for x
    x = 32,905,933,867.26/161,734.20
  6. Step 6: Final answer
    x = 203,456.87

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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.