Home / 136,135.33-187,866.87-75,704.65

Finding the Fourth Proportional to 136,135.33, 187,866.87 and 75,704.65

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Solution

The fourth proportional to 136,135.33, 187,866.87 and 75,704.65 is: 104,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,135.33 : 187,866.87 = 75,704.65 : x
  2. Step 2: Convert to fraction form
    136,135.33/187,866.87 = 75,704.65/x
  3. Step 3: Cross multiply
    136,135.33x = 187,866.87 × 75,704.65
  4. Step 4: Simplify right side
    136,135.33x = 14,222,395,627.68
  5. Step 5: Solve for x
    x = 14,222,395,627.68/136,135.33
  6. Step 6: Final answer
    x = 104,472.48

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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.