Home / 455,733.42-683,540.19-140,163.90

Finding the Fourth Proportional to 455,733.42, 683,540.19 and 140,163.90

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Solution

The fourth proportional to 455,733.42, 683,540.19 and 140,163.90 is: 210,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,733.42 : 683,540.19 = 140,163.90 : x
  2. Step 2: Convert to fraction form
    455,733.42/683,540.19 = 140,163.90/x
  3. Step 3: Cross multiply
    455,733.42x = 683,540.19 × 140,163.90
  4. Step 4: Simplify right side
    455,733.42x = 95,807,658,837.14
  5. Step 5: Solve for x
    x = 95,807,658,837.14/455,733.42
  6. Step 6: Final answer
    x = 210,227.42

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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.