Home / 136,284.66-188,022.38-136,074.47

Finding the Fourth Proportional to 136,284.66, 188,022.38 and 136,074.47

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Solution

The fourth proportional to 136,284.66, 188,022.38 and 136,074.47 is: 187,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,284.66 : 188,022.38 = 136,074.47 : x
  2. Step 2: Convert to fraction form
    136,284.66/188,022.38 = 136,074.47/x
  3. Step 3: Cross multiply
    136,284.66x = 188,022.38 × 136,074.47
  4. Step 4: Simplify right side
    136,284.66x = 25,585,044,791.24
  5. Step 5: Solve for x
    x = 25,585,044,791.24/136,284.66
  6. Step 6: Final answer
    x = 187,732.39

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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.