Home / 265,942.21-366,992.97-145,083.47

Finding the Fourth Proportional to 265,942.21, 366,992.97 and 145,083.47

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Solution

The fourth proportional to 265,942.21, 366,992.97 and 145,083.47 is: 200,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,942.21 : 366,992.97 = 145,083.47 : x
  2. Step 2: Convert to fraction form
    265,942.21/366,992.97 = 145,083.47/x
  3. Step 3: Cross multiply
    265,942.21x = 366,992.97 × 145,083.47
  4. Step 4: Simplify right side
    265,942.21x = 53,244,611,174.18
  5. Step 5: Solve for x
    x = 53,244,611,174.18/265,942.21
  6. Step 6: Final answer
    x = 200,211.21

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1.5x scale

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.