Home / 165,849.53-248,854.28-81,563.96

Finding the Fourth Proportional to 165,849.53, 248,854.28 and 81,563.96

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Solution

The fourth proportional to 165,849.53, 248,854.28 and 81,563.96 is: 122,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,849.53 : 248,854.28 = 81,563.96 : x
  2. Step 2: Convert to fraction form
    165,849.53/248,854.28 = 81,563.96/x
  3. Step 3: Cross multiply
    165,849.53x = 248,854.28 × 81,563.96
  4. Step 4: Simplify right side
    165,849.53x = 20,297,540,754.06
  5. Step 5: Solve for x
    x = 20,297,540,754.06/165,849.53
  6. Step 6: Final answer
    x = 122,385.28

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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.