Home / 198,197.88-273,511.71-107,551.56

Finding the Fourth Proportional to 198,197.88, 273,511.71 and 107,551.56

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Solution

The fourth proportional to 198,197.88, 273,511.71 and 107,551.56 is: 148,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,197.88 : 273,511.71 = 107,551.56 : x
  2. Step 2: Convert to fraction form
    198,197.88/273,511.71 = 107,551.56/x
  3. Step 3: Cross multiply
    198,197.88x = 273,511.71 × 107,551.56
  4. Step 4: Simplify right side
    198,197.88x = 29,416,611,088.77
  5. Step 5: Solve for x
    x = 29,416,611,088.77/198,197.88
  6. Step 6: Final answer
    x = 148,420.41

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1.5x scale

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.