Home / 149,601.54-206,468.38-85,939.18

Finding the Fourth Proportional to 149,601.54, 206,468.38 and 85,939.18

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Solution

The fourth proportional to 149,601.54, 206,468.38 and 85,939.18 is: 118,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,601.54 : 206,468.38 = 85,939.18 : x
  2. Step 2: Convert to fraction form
    149,601.54/206,468.38 = 85,939.18/x
  3. Step 3: Cross multiply
    149,601.54x = 206,468.38 × 85,939.18
  4. Step 4: Simplify right side
    149,601.54x = 17,743,723,273.13
  5. Step 5: Solve for x
    x = 17,743,723,273.13/149,601.54
  6. Step 6: Final answer
    x = 118,606.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.