Home / 209,398.14-313,791.03-130,271.94

Finding the Fourth Proportional to 209,398.14, 313,791.03 and 130,271.94

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Solution

The fourth proportional to 209,398.14, 313,791.03 and 130,271.94 is: 195,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,398.14 : 313,791.03 = 130,271.94 : x
  2. Step 2: Convert to fraction form
    209,398.14/313,791.03 = 130,271.94/x
  3. Step 3: Cross multiply
    209,398.14x = 313,791.03 × 130,271.94
  4. Step 4: Simplify right side
    209,398.14x = 40,878,166,232.70
  5. Step 5: Solve for x
    x = 40,878,166,232.70/209,398.14
  6. Step 6: Final answer
    x = 195,217.43

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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.