Home / 198,806.43-298,096.69-135,702.94

Finding the Fourth Proportional to 198,806.43, 298,096.69 and 135,702.94

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Solution

The fourth proportional to 198,806.43, 298,096.69 and 135,702.94 is: 203,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806.43 : 298,096.69 = 135,702.94 : x
  2. Step 2: Convert to fraction form
    198,806.43/298,096.69 = 135,702.94/x
  3. Step 3: Cross multiply
    198,806.43x = 298,096.69 × 135,702.94
  4. Step 4: Simplify right side
    198,806.43x = 40,452,596,152.77
  5. Step 5: Solve for x
    x = 40,452,596,152.77/198,806.43
  6. Step 6: Final answer
    x = 203,477.30

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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.