Home / 165,932.80-248,899.20-136,408.30

Finding the Fourth Proportional to 165,932.80, 248,899.20 and 136,408.30

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Solution

The fourth proportional to 165,932.80, 248,899.20 and 136,408.30 is: 204,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,932.80 : 248,899.20 = 136,408.30 : x
  2. Step 2: Convert to fraction form
    165,932.80/248,899.20 = 136,408.30/x
  3. Step 3: Cross multiply
    165,932.80x = 248,899.20 × 136,408.30
  4. Step 4: Simplify right side
    165,932.80x = 33,951,916,743.36
  5. Step 5: Solve for x
    x = 33,951,916,743.36/165,932.80
  6. Step 6: Final answer
    x = 204,612.45

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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.