Home / 190,290.62-262,597.56-109,721.54

Finding the Fourth Proportional to 190,290.62, 262,597.56 and 109,721.54

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Solution

The fourth proportional to 190,290.62, 262,597.56 and 109,721.54 is: 151,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,290.62 : 262,597.56 = 109,721.54 : x
  2. Step 2: Convert to fraction form
    190,290.62/262,597.56 = 109,721.54/x
  3. Step 3: Cross multiply
    190,290.62x = 262,597.56 × 109,721.54
  4. Step 4: Simplify right side
    190,290.62x = 28,812,608,683.44
  5. Step 5: Solve for x
    x = 28,812,608,683.44/190,290.62
  6. Step 6: Final answer
    x = 151,413.71

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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.