Home / 136,164.24-204,175.08-80,021.52

Finding the Fourth Proportional to 136,164.24, 204,175.08 and 80,021.52

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Solution

The fourth proportional to 136,164.24, 204,175.08 and 80,021.52 is: 119,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,164.24 : 204,175.08 = 80,021.52 : x
  2. Step 2: Convert to fraction form
    136,164.24/204,175.08 = 80,021.52/x
  3. Step 3: Cross multiply
    136,164.24x = 204,175.08 × 80,021.52
  4. Step 4: Simplify right side
    136,164.24x = 16,338,400,247.72
  5. Step 5: Solve for x
    x = 16,338,400,247.72/136,164.24
  6. Step 6: Final answer
    x = 119,990.39

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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.