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Finding the Fourth Proportional to 109,515.73, 164,273.73 and 26,409.73

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Solution

The fourth proportional to 109,515.73, 164,273.73 and 26,409.73 is: 39,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,515.73 : 164,273.73 = 26,409.73 : x
  2. Step 2: Convert to fraction form
    109,515.73/164,273.73 = 26,409.73/x
  3. Step 3: Cross multiply
    109,515.73x = 164,273.73 × 26,409.73
  4. Step 4: Simplify right side
    109,515.73x = 4,338,424,855.39
  5. Step 5: Solve for x
    x = 4,338,424,855.39/109,515.73
  6. Step 6: Final answer
    x = 39,614.63

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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.