Home / 117,233.47-175,665.79-90,644.41

Finding the Fourth Proportional to 117,233.47, 175,665.79 and 90,644.41

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Solution

The fourth proportional to 117,233.47, 175,665.79 and 90,644.41 is: 135,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,233.47 : 175,665.79 = 90,644.41 : x
  2. Step 2: Convert to fraction form
    117,233.47/175,665.79 = 90,644.41/x
  3. Step 3: Cross multiply
    117,233.47x = 175,665.79 × 90,644.41
  4. Step 4: Simplify right side
    117,233.47x = 15,923,121,891.73
  5. Step 5: Solve for x
    x = 15,923,121,891.73/117,233.47
  6. Step 6: Final answer
    x = 135,824.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.