Home / 138,850.56-208,232.79-50,092.53

Finding the Fourth Proportional to 138,850.56, 208,232.79 and 50,092.53

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Solution

The fourth proportional to 138,850.56, 208,232.79 and 50,092.53 is: 75,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,850.56 : 208,232.79 = 50,092.53 : x
  2. Step 2: Convert to fraction form
    138,850.56/208,232.79 = 50,092.53/x
  3. Step 3: Cross multiply
    138,850.56x = 208,232.79 × 50,092.53
  4. Step 4: Simplify right side
    138,850.56x = 10,430,907,280.06
  5. Step 5: Solve for x
    x = 10,430,907,280.06/138,850.56
  6. Step 6: Final answer
    x = 75,123.26

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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.