Home / 138,928.76-208,393.14-33,747.02

Finding the Fourth Proportional to 138,928.76, 208,393.14 and 33,747.02

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Solution

The fourth proportional to 138,928.76, 208,393.14 and 33,747.02 is: 50,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,928.76 : 208,393.14 = 33,747.02 : x
  2. Step 2: Convert to fraction form
    138,928.76/208,393.14 = 33,747.02/x
  3. Step 3: Cross multiply
    138,928.76x = 208,393.14 × 33,747.02
  4. Step 4: Simplify right side
    138,928.76x = 7,032,647,463.44
  5. Step 5: Solve for x
    x = 7,032,647,463.44/138,928.76
  6. Step 6: Final answer
    x = 50,620.53

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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.