Home / 198,040.50-273,295.95-107,396.43

Finding the Fourth Proportional to 198,040.50, 273,295.95 and 107,396.43

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Solution

The fourth proportional to 198,040.50, 273,295.95 and 107,396.43 is: 148,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,040.50 : 273,295.95 = 107,396.43 : x
  2. Step 2: Convert to fraction form
    198,040.50/273,295.95 = 107,396.43/x
  3. Step 3: Cross multiply
    198,040.50x = 273,295.95 × 107,396.43
  4. Step 4: Simplify right side
    198,040.50x = 29,351,009,363.46
  5. Step 5: Solve for x
    x = 29,351,009,363.46/198,040.50
  6. Step 6: Final answer
    x = 148,207.11

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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.