Home / 108,214.11-162,233.77-45,081.80

Finding the Fourth Proportional to 108,214.11, 162,233.77 and 45,081.80

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Solution

The fourth proportional to 108,214.11, 162,233.77 and 45,081.80 is: 67,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,214.11 : 162,233.77 = 45,081.80 : x
  2. Step 2: Convert to fraction form
    108,214.11/162,233.77 = 45,081.80/x
  3. Step 3: Cross multiply
    108,214.11x = 162,233.77 × 45,081.80
  4. Step 4: Simplify right side
    108,214.11x = 7,313,790,372.39
  5. Step 5: Solve for x
    x = 7,313,790,372.39/108,214.11
  6. Step 6: Final answer
    x = 67,586.29

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1.5x scale

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.