Home / 136,021.20-204,098.85-61,194.30

Finding the Fourth Proportional to 136,021.20, 204,098.85 and 61,194.30

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Solution

The fourth proportional to 136,021.20, 204,098.85 and 61,194.30 is: 91,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,021.20 : 204,098.85 = 61,194.30 : x
  2. Step 2: Convert to fraction form
    136,021.20/204,098.85 = 61,194.30/x
  3. Step 3: Cross multiply
    136,021.20x = 204,098.85 × 61,194.30
  4. Step 4: Simplify right side
    136,021.20x = 12,489,686,256.56
  5. Step 5: Solve for x
    x = 12,489,686,256.56/136,021.20
  6. Step 6: Final answer
    x = 91,821.61

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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.