Home / 205,329.78-283,339.10-119,274.51

Finding the Fourth Proportional to 205,329.78, 283,339.10 and 119,274.51

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Solution

The fourth proportional to 205,329.78, 283,339.10 and 119,274.51 is: 164,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,329.78 : 283,339.10 = 119,274.51 : x
  2. Step 2: Convert to fraction form
    205,329.78/283,339.10 = 119,274.51/x
  3. Step 3: Cross multiply
    205,329.78x = 283,339.10 × 119,274.51
  4. Step 4: Simplify right side
    205,329.78x = 33,795,131,719.97
  5. Step 5: Solve for x
    x = 33,795,131,719.97/205,329.78
  6. Step 6: Final answer
    x = 164,589.53

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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.