Home / 252,134.16-347,940.66-137,413.80

Finding the Fourth Proportional to 252,134.16, 347,940.66 and 137,413.80

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Solution

The fourth proportional to 252,134.16, 347,940.66 and 137,413.80 is: 189,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,134.16 : 347,940.66 = 137,413.80 : x
  2. Step 2: Convert to fraction form
    252,134.16/347,940.66 = 137,413.80/x
  3. Step 3: Cross multiply
    252,134.16x = 347,940.66 × 137,413.80
  4. Step 4: Simplify right side
    252,134.16x = 47,811,848,265.11
  5. Step 5: Solve for x
    x = 47,811,848,265.11/252,134.16
  6. Step 6: Final answer
    x = 189,628.60

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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.