Home / 165,944.80-248,917.20-136,420.30

Finding the Fourth Proportional to 165,944.80, 248,917.20 and 136,420.30

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Solution

The fourth proportional to 165,944.80, 248,917.20 and 136,420.30 is: 204,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,944.80 : 248,917.20 = 136,420.30 : x
  2. Step 2: Convert to fraction form
    165,944.80/248,917.20 = 136,420.30/x
  3. Step 3: Cross multiply
    165,944.80x = 248,917.20 × 136,420.30
  4. Step 4: Simplify right side
    165,944.80x = 33,957,359,099.16
  5. Step 5: Solve for x
    x = 33,957,359,099.16/165,944.80
  6. Step 6: Final answer
    x = 204,630.45

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1.5x scale

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.