Home / 165,945.60-248,918.40-55,137.60

Finding the Fourth Proportional to 165,945.60, 248,918.40 and 55,137.60

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Solution

The fourth proportional to 165,945.60, 248,918.40 and 55,137.60 is: 82,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945.60 : 248,918.40 = 55,137.60 : x
  2. Step 2: Convert to fraction form
    165,945.60/248,918.40 = 55,137.60/x
  3. Step 3: Cross multiply
    165,945.60x = 248,918.40 × 55,137.60
  4. Step 4: Simplify right side
    165,945.60x = 13,724,763,171.84
  5. Step 5: Solve for x
    x = 13,724,763,171.84/165,945.60
  6. Step 6: Final answer
    x = 82,706.40

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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.