Home / 252,413.78-348,304.10-139,236.52

Finding the Fourth Proportional to 252,413.78, 348,304.10 and 139,236.52

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Solution

The fourth proportional to 252,413.78, 348,304.10 and 139,236.52 is: 192,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,413.78 : 348,304.10 = 139,236.52 : x
  2. Step 2: Convert to fraction form
    252,413.78/348,304.10 = 139,236.52/x
  3. Step 3: Cross multiply
    252,413.78x = 348,304.10 × 139,236.52
  4. Step 4: Simplify right side
    252,413.78x = 48,496,650,785.73
  5. Step 5: Solve for x
    x = 48,496,650,785.73/252,413.78
  6. Step 6: Final answer
    x = 192,131.55

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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.