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Finding the Fourth Proportional to 73,198.61, 109,808.83 and 23,280.33

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Solution

The fourth proportional to 73,198.61, 109,808.83 and 23,280.33 is: 34,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,198.61 : 109,808.83 = 23,280.33 : x
  2. Step 2: Convert to fraction form
    73,198.61/109,808.83 = 23,280.33/x
  3. Step 3: Cross multiply
    73,198.61x = 109,808.83 × 23,280.33
  4. Step 4: Simplify right side
    73,198.61x = 2,556,385,828.41
  5. Step 5: Solve for x
    x = 2,556,385,828.41/73,198.61
  6. Step 6: Final answer
    x = 34,923.97

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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.