Home / 252,413.40-348,324.92-139,236.15

Finding the Fourth Proportional to 252,413.40, 348,324.92 and 139,236.15

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Solution

The fourth proportional to 252,413.40, 348,324.92 and 139,236.15 is: 192,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,413.40 : 348,324.92 = 139,236.15 : x
  2. Step 2: Convert to fraction form
    252,413.40/348,324.92 = 139,236.15/x
  3. Step 3: Cross multiply
    252,413.40x = 348,324.92 × 139,236.15
  4. Step 4: Simplify right side
    252,413.40x = 48,499,420,809.86
  5. Step 5: Solve for x
    x = 48,499,420,809.86/252,413.40
  6. Step 6: Final answer
    x = 192,142.81

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1.5x scale

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.