Home / 248,261.28-342,597.24-135,083.76

Finding the Fourth Proportional to 248,261.28, 342,597.24 and 135,083.76

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Solution

The fourth proportional to 248,261.28, 342,597.24 and 135,083.76 is: 186,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,261.28 : 342,597.24 = 135,083.76 : x
  2. Step 2: Convert to fraction form
    248,261.28/342,597.24 = 135,083.76/x
  3. Step 3: Cross multiply
    248,261.28x = 342,597.24 × 135,083.76
  4. Step 4: Simplify right side
    248,261.28x = 46,279,323,344.82
  5. Step 5: Solve for x
    x = 46,279,323,344.82/248,261.28
  6. Step 6: Final answer
    x = 186,413.78

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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.