Home / 274,739.54-412,088.82-85,201.38

Finding the Fourth Proportional to 274,739.54, 412,088.82 and 85,201.38

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Solution

The fourth proportional to 274,739.54, 412,088.82 and 85,201.38 is: 127,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,739.54 : 412,088.82 = 85,201.38 : x
  2. Step 2: Convert to fraction form
    274,739.54/412,088.82 = 85,201.38/x
  3. Step 3: Cross multiply
    274,739.54x = 412,088.82 × 85,201.38
  4. Step 4: Simplify right side
    274,739.54x = 35,110,536,146.57
  5. Step 5: Solve for x
    x = 35,110,536,146.57/274,739.54
  6. Step 6: Final answer
    x = 127,795.72

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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.