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Finding the Fourth Proportional to 73,764, 110,647.08 and 18,360

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Solution

The fourth proportional to 73,764, 110,647.08 and 18,360 is: 27,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,764 : 110,647.08 = 18,360 : x
  2. Step 2: Convert to fraction form
    73,764/110,647.08 = 18,360/x
  3. Step 3: Cross multiply
    73,764x = 110,647.08 × 18,360
  4. Step 4: Simplify right side
    73,764x = 2,031,480,388.80
  5. Step 5: Solve for x
    x = 2,031,480,388.80/73,764
  6. Step 6: Final answer
    x = 27,540.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.