Home / 108,270.20-162,331.38-57,676.79

Finding the Fourth Proportional to 108,270.20, 162,331.38 and 57,676.79

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Solution

The fourth proportional to 108,270.20, 162,331.38 and 57,676.79 is: 86,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,270.20 : 162,331.38 = 57,676.79 : x
  2. Step 2: Convert to fraction form
    108,270.20/162,331.38 = 57,676.79/x
  3. Step 3: Cross multiply
    108,270.20x = 162,331.38 × 57,676.79
  4. Step 4: Simplify right side
    108,270.20x = 9,362,752,103.01
  5. Step 5: Solve for x
    x = 9,362,752,103.01/108,270.20
  6. Step 6: Final answer
    x = 86,475.80

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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.