Home / 248,413.05-342,811.31-135,236.61

Finding the Fourth Proportional to 248,413.05, 342,811.31 and 135,236.61

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Solution

The fourth proportional to 248,413.05, 342,811.31 and 135,236.61 is: 186,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,413.05 : 342,811.31 = 135,236.61 : x
  2. Step 2: Convert to fraction form
    248,413.05/342,811.31 = 135,236.61/x
  3. Step 3: Cross multiply
    248,413.05x = 342,811.31 × 135,236.61
  4. Step 4: Simplify right side
    248,413.05x = 46,360,638,757.88
  5. Step 5: Solve for x
    x = 46,360,638,757.88/248,413.05
  6. Step 6: Final answer
    x = 186,627.23

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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.