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Finding the Fourth Proportional to 73,197.45, 109,712.52 and 33,246.90

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Solution

The fourth proportional to 73,197.45, 109,712.52 and 33,246.90 is: 49,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,197.45 : 109,712.52 = 33,246.90 : x
  2. Step 2: Convert to fraction form
    73,197.45/109,712.52 = 33,246.90/x
  3. Step 3: Cross multiply
    73,197.45x = 109,712.52 × 33,246.90
  4. Step 4: Simplify right side
    73,197.45x = 3,647,601,181.19
  5. Step 5: Solve for x
    x = 3,647,601,181.19/73,197.45
  6. Step 6: Final answer
    x = 49,832.35

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1.5x scale

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.