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Finding the Fourth Proportional to 123,804.37, 185,812.60 and 122,872.47

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Solution

The fourth proportional to 123,804.37, 185,812.60 and 122,872.47 is: 184,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,804.37 : 185,812.60 = 122,872.47 : x
  2. Step 2: Convert to fraction form
    123,804.37/185,812.60 = 122,872.47/x
  3. Step 3: Cross multiply
    123,804.37x = 185,812.60 × 122,872.47
  4. Step 4: Simplify right side
    123,804.37x = 22,831,252,190.06
  5. Step 5: Solve for x
    x = 22,831,252,190.06/123,804.37
  6. Step 6: Final answer
    x = 184,413.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.