Home / 161,723.20-242,617.20-135,608.80

Finding the Fourth Proportional to 161,723.20, 242,617.20 and 135,608.80

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Solution

The fourth proportional to 161,723.20, 242,617.20 and 135,608.80 is: 203,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,723.20 : 242,617.20 = 135,608.80 : x
  2. Step 2: Convert to fraction form
    161,723.20/242,617.20 = 135,608.80/x
  3. Step 3: Cross multiply
    161,723.20x = 242,617.20 × 135,608.80
  4. Step 4: Simplify right side
    161,723.20x = 32,901,027,351.36
  5. Step 5: Solve for x
    x = 32,901,027,351.36/161,723.20
  6. Step 6: Final answer
    x = 203,440.37

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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.