Home / 122,651.42-183,974.83-66,846.66

Finding the Fourth Proportional to 122,651.42, 183,974.83 and 66,846.66

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Solution

The fourth proportional to 122,651.42, 183,974.83 and 66,846.66 is: 100,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,651.42 : 183,974.83 = 66,846.66 : x
  2. Step 2: Convert to fraction form
    122,651.42/183,974.83 = 66,846.66/x
  3. Step 3: Cross multiply
    122,651.42x = 183,974.83 × 66,846.66
  4. Step 4: Simplify right side
    122,651.42x = 12,298,102,618.41
  5. Step 5: Solve for x
    x = 12,298,102,618.41/122,651.42
  6. Step 6: Final answer
    x = 100,268.73

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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.