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Finding the Fourth Proportional to 173,562, 239,447.10 and 108,993.25

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Solution

The fourth proportional to 173,562, 239,447.10 and 108,993.25 is: 150,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,562 : 239,447.10 = 108,993.25 : x
  2. Step 2: Convert to fraction form
    173,562/239,447.10 = 108,993.25/x
  3. Step 3: Cross multiply
    173,562x = 239,447.10 × 108,993.25
  4. Step 4: Simplify right side
    173,562x = 26,098,117,632.08
  5. Step 5: Solve for x
    x = 26,098,117,632.08/173,562
  6. Step 6: Final answer
    x = 150,367.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.