Home / 134,815.49-186,046.39-74,388.37

Finding the Fourth Proportional to 134,815.49, 186,046.39 and 74,388.37

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Solution

The fourth proportional to 134,815.49, 186,046.39 and 74,388.37 is: 102,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,815.49 : 186,046.39 = 74,388.37 : x
  2. Step 2: Convert to fraction form
    134,815.49/186,046.39 = 74,388.37/x
  3. Step 3: Cross multiply
    134,815.49x = 186,046.39 × 74,388.37
  4. Step 4: Simplify right side
    134,815.49x = 13,839,687,324.54
  5. Step 5: Solve for x
    x = 13,839,687,324.54/134,815.49
  6. Step 6: Final answer
    x = 102,656.51

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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.