Home / 189,231.03-283,942.53-104,975.64

Finding the Fourth Proportional to 189,231.03, 283,942.53 and 104,975.64

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Solution

The fourth proportional to 189,231.03, 283,942.53 and 104,975.64 is: 157,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,231.03 : 283,942.53 = 104,975.64 : x
  2. Step 2: Convert to fraction form
    189,231.03/283,942.53 = 104,975.64/x
  3. Step 3: Cross multiply
    189,231.03x = 283,942.53 × 104,975.64
  4. Step 4: Simplify right side
    189,231.03x = 29,807,048,809.97
  5. Step 5: Solve for x
    x = 29,807,048,809.97/189,231.03
  6. Step 6: Final answer
    x = 157,516.71

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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.