Home / 161,402.36-242,255.22-84,520.54

Finding the Fourth Proportional to 161,402.36, 242,255.22 and 84,520.54

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Solution

The fourth proportional to 161,402.36, 242,255.22 and 84,520.54 is: 126,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,402.36 : 242,255.22 = 84,520.54 : x
  2. Step 2: Convert to fraction form
    161,402.36/242,255.22 = 84,520.54/x
  3. Step 3: Cross multiply
    161,402.36x = 242,255.22 × 84,520.54
  4. Step 4: Simplify right side
    161,402.36x = 20,475,541,617.88
  5. Step 5: Solve for x
    x = 20,475,541,617.88/161,402.36
  6. Step 6: Final answer
    x = 126,860.24

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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.