Home / 123,824.86-185,736.87-84,283.90

Finding the Fourth Proportional to 123,824.86, 185,736.87 and 84,283.90

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Solution

The fourth proportional to 123,824.86, 185,736.87 and 84,283.90 is: 126,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,824.86 : 185,736.87 = 84,283.90 : x
  2. Step 2: Convert to fraction form
    123,824.86/185,736.87 = 84,283.90/x
  3. Step 3: Cross multiply
    123,824.86x = 185,736.87 × 84,283.90
  4. Step 4: Simplify right side
    123,824.86x = 15,654,627,777.39
  5. Step 5: Solve for x
    x = 15,654,627,777.39/123,824.86
  6. Step 6: Final answer
    x = 126,425.56

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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.