Home / 170,608.32-255,704.94-120,702.80

Finding the Fourth Proportional to 170,608.32, 255,704.94 and 120,702.80

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Solution

The fourth proportional to 170,608.32, 255,704.94 and 120,702.80 is: 180,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,608.32 : 255,704.94 = 120,702.80 : x
  2. Step 2: Convert to fraction form
    170,608.32/255,704.94 = 120,702.80/x
  3. Step 3: Cross multiply
    170,608.32x = 255,704.94 × 120,702.80
  4. Step 4: Simplify right side
    170,608.32x = 30,864,303,172.85
  5. Step 5: Solve for x
    x = 30,864,303,172.85/170,608.32
  6. Step 6: Final answer
    x = 180,907.37

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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.