Home / 135,786.36-187,394.48-82,073.64

Finding the Fourth Proportional to 135,786.36, 187,394.48 and 82,073.64

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Solution

The fourth proportional to 135,786.36, 187,394.48 and 82,073.64 is: 113,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,786.36 : 187,394.48 = 82,073.64 : x
  2. Step 2: Convert to fraction form
    135,786.36/187,394.48 = 82,073.64/x
  3. Step 3: Cross multiply
    135,786.36x = 187,394.48 × 82,073.64
  4. Step 4: Simplify right side
    135,786.36x = 15,380,147,089.51
  5. Step 5: Solve for x
    x = 15,380,147,089.51/135,786.36
  6. Step 6: Final answer
    x = 113,267.25

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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.