Home / 135,936.18-204,028.80-72,827.55

Finding the Fourth Proportional to 135,936.18, 204,028.80 and 72,827.55

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Solution

The fourth proportional to 135,936.18, 204,028.80 and 72,827.55 is: 109,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,936.18 : 204,028.80 = 72,827.55 : x
  2. Step 2: Convert to fraction form
    135,936.18/204,028.80 = 72,827.55/x
  3. Step 3: Cross multiply
    135,936.18x = 204,028.80 × 72,827.55
  4. Step 4: Simplify right side
    135,936.18x = 14,858,917,633.44
  5. Step 5: Solve for x
    x = 14,858,917,633.44/135,936.18
  6. Step 6: Final answer
    x = 109,308.04

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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.