Home / 136,091.20-204,105.60-51,860.88

Finding the Fourth Proportional to 136,091.20, 204,105.60 and 51,860.88

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Solution

The fourth proportional to 136,091.20, 204,105.60 and 51,860.88 is: 77,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.20 : 204,105.60 = 51,860.88 : x
  2. Step 2: Convert to fraction form
    136,091.20/204,105.60 = 51,860.88/x
  3. Step 3: Cross multiply
    136,091.20x = 204,105.60 × 51,860.88
  4. Step 4: Simplify right side
    136,091.20x = 10,585,096,028.93
  5. Step 5: Solve for x
    x = 10,585,096,028.93/136,091.20
  6. Step 6: Final answer
    x = 77,779.43

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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.