Home / 108,134.80-162,189.20-29,255.18

Finding the Fourth Proportional to 108,134.80, 162,189.20 and 29,255.18

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Solution

The fourth proportional to 108,134.80, 162,189.20 and 29,255.18 is: 43,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,134.80 : 162,189.20 = 29,255.18 : x
  2. Step 2: Convert to fraction form
    108,134.80/162,189.20 = 29,255.18/x
  3. Step 3: Cross multiply
    108,134.80x = 162,189.20 × 29,255.18
  4. Step 4: Simplify right side
    108,134.80x = 4,744,873,502.25
  5. Step 5: Solve for x
    x = 4,744,873,502.25/108,134.80
  6. Step 6: Final answer
    x = 43,879.25

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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.