Home / 100,825.49-151,331.79-50,940.63

Finding the Fourth Proportional to 100,825.49, 151,331.79 and 50,940.63

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Solution

The fourth proportional to 100,825.49, 151,331.79 and 50,940.63 is: 76,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,825.49 : 151,331.79 = 50,940.63 : x
  2. Step 2: Convert to fraction form
    100,825.49/151,331.79 = 50,940.63/x
  3. Step 3: Cross multiply
    100,825.49x = 151,331.79 × 50,940.63
  4. Step 4: Simplify right side
    100,825.49x = 7,708,935,964.97
  5. Step 5: Solve for x
    x = 7,708,935,964.97/100,825.49
  6. Step 6: Final answer
    x = 76,458.20

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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.