Home / 165,985.20-248,945.40-55,177.20

Finding the Fourth Proportional to 165,985.20, 248,945.40 and 55,177.20

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Solution

The fourth proportional to 165,985.20, 248,945.40 and 55,177.20 is: 82,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,985.20 : 248,945.40 = 55,177.20 : x
  2. Step 2: Convert to fraction form
    165,985.20/248,945.40 = 55,177.20/x
  3. Step 3: Cross multiply
    165,985.20x = 248,945.40 × 55,177.20
  4. Step 4: Simplify right side
    165,985.20x = 13,736,110,124.88
  5. Step 5: Solve for x
    x = 13,736,110,124.88/165,985.20
  6. Step 6: Final answer
    x = 82,755.03

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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.