Home / 136,270.39-188,058.57-75,843.58

Finding the Fourth Proportional to 136,270.39, 188,058.57 and 75,843.58

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Solution

The fourth proportional to 136,270.39, 188,058.57 and 75,843.58 is: 104,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270.39 : 188,058.57 = 75,843.58 : x
  2. Step 2: Convert to fraction form
    136,270.39/188,058.57 = 75,843.58/x
  3. Step 3: Cross multiply
    136,270.39x = 188,058.57 × 75,843.58
  4. Step 4: Simplify right side
    136,270.39x = 14,263,035,198.48
  5. Step 5: Solve for x
    x = 14,263,035,198.48/136,270.39
  6. Step 6: Final answer
    x = 104,667.16

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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.