Home / 136,713.67-188,677.91-82,986.37

Finding the Fourth Proportional to 136,713.67, 188,677.91 and 82,986.37

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Solution

The fourth proportional to 136,713.67, 188,677.91 and 82,986.37 is: 114,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,713.67 : 188,677.91 = 82,986.37 : x
  2. Step 2: Convert to fraction form
    136,713.67/188,677.91 = 82,986.37/x
  3. Step 3: Cross multiply
    136,713.67x = 188,677.91 × 82,986.37
  4. Step 4: Simplify right side
    136,713.67x = 15,657,694,850.09
  5. Step 5: Solve for x
    x = 15,657,694,850.09/136,713.67
  6. Step 6: Final answer
    x = 114,529.11

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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.