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Finding the Fourth Proportional to 175,183.80, 262,473.30 and 81,497.40

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Solution

The fourth proportional to 175,183.80, 262,473.30 and 81,497.40 is: 122,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,183.80 : 262,473.30 = 81,497.40 : x
  2. Step 2: Convert to fraction form
    175,183.80/262,473.30 = 81,497.40/x
  3. Step 3: Cross multiply
    175,183.80x = 262,473.30 × 81,497.40
  4. Step 4: Simplify right side
    175,183.80x = 21,390,891,519.42
  5. Step 5: Solve for x
    x = 21,390,891,519.42/175,183.80
  6. Step 6: Final answer
    x = 122,105.42

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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.