Home / 170,845.60-256,268.40-111,863.20

Finding the Fourth Proportional to 170,845.60, 256,268.40 and 111,863.20

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Solution

The fourth proportional to 170,845.60, 256,268.40 and 111,863.20 is: 167,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,845.60 : 256,268.40 = 111,863.20 : x
  2. Step 2: Convert to fraction form
    170,845.60/256,268.40 = 111,863.20/x
  3. Step 3: Cross multiply
    170,845.60x = 256,268.40 × 111,863.20
  4. Step 4: Simplify right side
    170,845.60x = 28,667,003,282.88
  5. Step 5: Solve for x
    x = 28,667,003,282.88/170,845.60
  6. Step 6: Final answer
    x = 167,794.80

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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.