Home / 192,928.89-289,413.38-52,687.50

Finding the Fourth Proportional to 192,928.89, 289,413.38 and 52,687.50

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Solution

The fourth proportional to 192,928.89, 289,413.38 and 52,687.50 is: 79,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,928.89 : 289,413.38 = 52,687.50 : x
  2. Step 2: Convert to fraction form
    192,928.89/289,413.38 = 52,687.50/x
  3. Step 3: Cross multiply
    192,928.89x = 289,413.38 × 52,687.50
  4. Step 4: Simplify right side
    192,928.89x = 15,248,467,195.31
  5. Step 5: Solve for x
    x = 15,248,467,195.31/192,928.89
  6. Step 6: Final answer
    x = 79,036.72

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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.