Home / 108,014.50-161,974.49-57,402.51

Finding the Fourth Proportional to 108,014.50, 161,974.49 and 57,402.51

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Solution

The fourth proportional to 108,014.50, 161,974.49 and 57,402.51 is: 86,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,014.50 : 161,974.49 = 57,402.51 : x
  2. Step 2: Convert to fraction form
    108,014.50/161,974.49 = 57,402.51/x
  3. Step 3: Cross multiply
    108,014.50x = 161,974.49 × 57,402.51
  4. Step 4: Simplify right side
    108,014.50x = 9,297,741,387.55
  5. Step 5: Solve for x
    x = 9,297,741,387.55/108,014.50
  6. Step 6: Final answer
    x = 86,078.64

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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.