Home / 167,128.49-250,734.18-82,928.36

Finding the Fourth Proportional to 167,128.49, 250,734.18 and 82,928.36

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Solution

The fourth proportional to 167,128.49, 250,734.18 and 82,928.36 is: 124,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,128.49 : 250,734.18 = 82,928.36 : x
  2. Step 2: Convert to fraction form
    167,128.49/250,734.18 = 82,928.36/x
  3. Step 3: Cross multiply
    167,128.49x = 250,734.18 × 82,928.36
  4. Step 4: Simplify right side
    167,128.49x = 20,792,974,343.34
  5. Step 5: Solve for x
    x = 20,792,974,343.34/167,128.49
  6. Step 6: Final answer
    x = 124,413.10

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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.