Home / 155,198.80-232,680.19-80,271.24

Finding the Fourth Proportional to 155,198.80, 232,680.19 and 80,271.24

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Solution

The fourth proportional to 155,198.80, 232,680.19 and 80,271.24 is: 120,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,198.80 : 232,680.19 = 80,271.24 : x
  2. Step 2: Convert to fraction form
    155,198.80/232,680.19 = 80,271.24/x
  3. Step 3: Cross multiply
    155,198.80x = 232,680.19 × 80,271.24
  4. Step 4: Simplify right side
    155,198.80x = 18,677,526,211.33
  5. Step 5: Solve for x
    x = 18,677,526,211.33/155,198.80
  6. Step 6: Final answer
    x = 120,345.82

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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.