Home / 165,936.20-248,904.30-55,128.20

Finding the Fourth Proportional to 165,936.20, 248,904.30 and 55,128.20

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Solution

The fourth proportional to 165,936.20, 248,904.30 and 55,128.20 is: 82,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,936.20 : 248,904.30 = 55,128.20 : x
  2. Step 2: Convert to fraction form
    165,936.20/248,904.30 = 55,128.20/x
  3. Step 3: Cross multiply
    165,936.20x = 248,904.30 × 55,128.20
  4. Step 4: Simplify right side
    165,936.20x = 13,721,646,031.26
  5. Step 5: Solve for x
    x = 13,721,646,031.26/165,936.20
  6. Step 6: Final answer
    x = 82,692.30

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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.