Home / 165,945.20-248,885.40-55,137.20

Finding the Fourth Proportional to 165,945.20, 248,885.40 and 55,137.20

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Solution

The fourth proportional to 165,945.20, 248,885.40 and 55,137.20 is: 82,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945.20 : 248,885.40 = 55,137.20 : x
  2. Step 2: Convert to fraction form
    165,945.20/248,885.40 = 55,137.20/x
  3. Step 3: Cross multiply
    165,945.20x = 248,885.40 × 55,137.20
  4. Step 4: Simplify right side
    165,945.20x = 13,722,844,076.88
  5. Step 5: Solve for x
    x = 13,722,844,076.88/165,945.20
  6. Step 6: Final answer
    x = 82,695.03

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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.