Home / 196,986.97-295,509.62-72,318.25

Finding the Fourth Proportional to 196,986.97, 295,509.62 and 72,318.25

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Solution

The fourth proportional to 196,986.97, 295,509.62 and 72,318.25 is: 108,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,986.97 : 295,509.62 = 72,318.25 : x
  2. Step 2: Convert to fraction form
    196,986.97/295,509.62 = 72,318.25/x
  3. Step 3: Cross multiply
    196,986.97x = 295,509.62 × 72,318.25
  4. Step 4: Simplify right side
    196,986.97x = 21,370,738,576.57
  5. Step 5: Solve for x
    x = 21,370,738,576.57/196,986.97
  6. Step 6: Final answer
    x = 108,488.08

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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.