Home / 206,315.34-309,370.86-73,175.64

Finding the Fourth Proportional to 206,315.34, 309,370.86 and 73,175.64

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Solution

The fourth proportional to 206,315.34, 309,370.86 and 73,175.64 is: 109,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,315.34 : 309,370.86 = 73,175.64 : x
  2. Step 2: Convert to fraction form
    206,315.34/309,370.86 = 73,175.64/x
  3. Step 3: Cross multiply
    206,315.34x = 309,370.86 × 73,175.64
  4. Step 4: Simplify right side
    206,315.34x = 22,638,410,677.85
  5. Step 5: Solve for x
    x = 22,638,410,677.85/206,315.34
  6. Step 6: Final answer
    x = 109,727.23

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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.