Home / 134,906.14-186,170.79-74,476.83

Finding the Fourth Proportional to 134,906.14, 186,170.79 and 74,476.83

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Solution

The fourth proportional to 134,906.14, 186,170.79 and 74,476.83 is: 102,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,906.14 : 186,170.79 = 74,476.83 : x
  2. Step 2: Convert to fraction form
    134,906.14/186,170.79 = 74,476.83/x
  3. Step 3: Cross multiply
    134,906.14x = 186,170.79 × 74,476.83
  4. Step 4: Simplify right side
    134,906.14x = 13,865,408,974.56
  5. Step 5: Solve for x
    x = 13,865,408,974.56/134,906.14
  6. Step 6: Final answer
    x = 102,778.19

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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.