Home / 189,198.12-283,605.54-122,680.44

Finding the Fourth Proportional to 189,198.12, 283,605.54 and 122,680.44

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Solution

The fourth proportional to 189,198.12, 283,605.54 and 122,680.44 is: 183,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.12 : 283,605.54 = 122,680.44 : x
  2. Step 2: Convert to fraction form
    189,198.12/283,605.54 = 122,680.44/x
  3. Step 3: Cross multiply
    189,198.12x = 283,605.54 × 122,680.44
  4. Step 4: Simplify right side
    189,198.12x = 34,792,852,433.64
  5. Step 5: Solve for x
    x = 34,792,852,433.64/189,198.12
  6. Step 6: Final answer
    x = 183,896.40

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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.