Home / 136,317.06-204,375.78-64,245.42

Finding the Fourth Proportional to 136,317.06, 204,375.78 and 64,245.42

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Solution

The fourth proportional to 136,317.06, 204,375.78 and 64,245.42 is: 96,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,317.06 : 204,375.78 = 64,245.42 : x
  2. Step 2: Convert to fraction form
    136,317.06/204,375.78 = 64,245.42/x
  3. Step 3: Cross multiply
    136,317.06x = 204,375.78 × 64,245.42
  4. Step 4: Simplify right side
    136,317.06x = 13,130,207,823.93
  5. Step 5: Solve for x
    x = 13,130,207,823.93/136,317.06
  6. Step 6: Final answer
    x = 96,321.09

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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.