Home / 190,205.56-285,286.33-49,975.12

Finding the Fourth Proportional to 190,205.56, 285,286.33 and 49,975.12

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Solution

The fourth proportional to 190,205.56, 285,286.33 and 49,975.12 is: 74,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,205.56 : 285,286.33 = 49,975.12 : x
  2. Step 2: Convert to fraction form
    190,205.56/285,286.33 = 49,975.12/x
  3. Step 3: Cross multiply
    190,205.56x = 285,286.33 × 49,975.12
  4. Step 4: Simplify right side
    190,205.56x = 14,257,218,576.11
  5. Step 5: Solve for x
    x = 14,257,218,576.11/190,205.56
  6. Step 6: Final answer
    x = 74,956.90

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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.