Home / 135,623.88-187,160.06-75,194.54

Finding the Fourth Proportional to 135,623.88, 187,160.06 and 75,194.54

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Solution

The fourth proportional to 135,623.88, 187,160.06 and 75,194.54 is: 103,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,623.88 : 187,160.06 = 75,194.54 : x
  2. Step 2: Convert to fraction form
    135,623.88/187,160.06 = 75,194.54/x
  3. Step 3: Cross multiply
    135,623.88x = 187,160.06 × 75,194.54
  4. Step 4: Simplify right side
    135,623.88x = 14,073,414,618.07
  5. Step 5: Solve for x
    x = 14,073,414,618.07/135,623.88
  6. Step 6: Final answer
    x = 103,767.97

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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.