Home / 204,370.45-306,466.31-103,106.20

Finding the Fourth Proportional to 204,370.45, 306,466.31 and 103,106.20

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Solution

The fourth proportional to 204,370.45, 306,466.31 and 103,106.20 is: 154,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,370.45 : 306,466.31 = 103,106.20 : x
  2. Step 2: Convert to fraction form
    204,370.45/306,466.31 = 103,106.20/x
  3. Step 3: Cross multiply
    204,370.45x = 306,466.31 × 103,106.20
  4. Step 4: Simplify right side
    204,370.45x = 31,598,576,138.37
  5. Step 5: Solve for x
    x = 31,598,576,138.37/204,370.45
  6. Step 6: Final answer
    x = 154,614.21

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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.