Home / 108,213.11-162,232.27-45,080.80

Finding the Fourth Proportional to 108,213.11, 162,232.27 and 45,080.80

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Solution

The fourth proportional to 108,213.11, 162,232.27 and 45,080.80 is: 67,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,213.11 : 162,232.27 = 45,080.80 : x
  2. Step 2: Convert to fraction form
    108,213.11/162,232.27 = 45,080.80/x
  3. Step 3: Cross multiply
    108,213.11x = 162,232.27 × 45,080.80
  4. Step 4: Simplify right side
    108,213.11x = 7,313,560,911.69
  5. Step 5: Solve for x
    x = 7,313,560,911.69/108,213.11
  6. Step 6: Final answer
    x = 67,584.79

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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.