Home / 136,022.20-204,033.30-121,247.80

Finding the Fourth Proportional to 136,022.20, 204,033.30 and 121,247.80

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Solution

The fourth proportional to 136,022.20, 204,033.30 and 121,247.80 is: 181,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,022.20 : 204,033.30 = 121,247.80 : x
  2. Step 2: Convert to fraction form
    136,022.20/204,033.30 = 121,247.80/x
  3. Step 3: Cross multiply
    136,022.20x = 204,033.30 × 121,247.80
  4. Step 4: Simplify right side
    136,022.20x = 24,738,588,751.74
  5. Step 5: Solve for x
    x = 24,738,588,751.74/136,022.20
  6. Step 6: Final answer
    x = 181,871.70

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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.