Home / 136,469.68-188,325.61-76,039.03

Finding the Fourth Proportional to 136,469.68, 188,325.61 and 76,039.03

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Solution

The fourth proportional to 136,469.68, 188,325.61 and 76,039.03 is: 104,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,469.68 : 188,325.61 = 76,039.03 : x
  2. Step 2: Convert to fraction form
    136,469.68/188,325.61 = 76,039.03/x
  3. Step 3: Cross multiply
    136,469.68x = 188,325.61 × 76,039.03
  4. Step 4: Simplify right side
    136,469.68x = 14,320,096,708.56
  5. Step 5: Solve for x
    x = 14,320,096,708.56/136,469.68
  6. Step 6: Final answer
    x = 104,932.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.