Home / 198,928.36-298,393.35-80,601.94

Finding the Fourth Proportional to 198,928.36, 298,393.35 and 80,601.94

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Solution

The fourth proportional to 198,928.36, 298,393.35 and 80,601.94 is: 120,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,928.36 : 298,393.35 = 80,601.94 : x
  2. Step 2: Convert to fraction form
    198,928.36/298,393.35 = 80,601.94/x
  3. Step 3: Cross multiply
    198,928.36x = 298,393.35 × 80,601.94
  4. Step 4: Simplify right side
    198,928.36x = 24,051,082,893.10
  5. Step 5: Solve for x
    x = 24,051,082,893.10/198,928.36
  6. Step 6: Final answer
    x = 120,903.24

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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.