Home / 108,067.21-162,100.81-55,443.13

Finding the Fourth Proportional to 108,067.21, 162,100.81 and 55,443.13

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Solution

The fourth proportional to 108,067.21, 162,100.81 and 55,443.13 is: 83,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,067.21 : 162,100.81 = 55,443.13 : x
  2. Step 2: Convert to fraction form
    108,067.21/162,100.81 = 55,443.13/x
  3. Step 3: Cross multiply
    108,067.21x = 162,100.81 × 55,443.13
  4. Step 4: Simplify right side
    108,067.21x = 8,987,375,471.43
  5. Step 5: Solve for x
    x = 8,987,375,471.43/108,067.21
  6. Step 6: Final answer
    x = 83,164.69

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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.