Home / 136,625.14-188,559.97-82,907.06

Finding the Fourth Proportional to 136,625.14, 188,559.97 and 82,907.06

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Solution

The fourth proportional to 136,625.14, 188,559.97 and 82,907.06 is: 114,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,625.14 : 188,559.97 = 82,907.06 : x
  2. Step 2: Convert to fraction form
    136,625.14/188,559.97 = 82,907.06/x
  3. Step 3: Cross multiply
    136,625.14x = 188,559.97 × 82,907.06
  4. Step 4: Simplify right side
    136,625.14x = 15,632,952,746.39
  5. Step 5: Solve for x
    x = 15,632,952,746.39/136,625.14
  6. Step 6: Final answer
    x = 114,422.23

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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.