Home / 198,955.53-298,033.56-98,812.80

Finding the Fourth Proportional to 198,955.53, 298,033.56 and 98,812.80

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Solution

The fourth proportional to 198,955.53, 298,033.56 and 98,812.80 is: 148,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,955.53 : 298,033.56 = 98,812.80 : x
  2. Step 2: Convert to fraction form
    198,955.53/298,033.56 = 98,812.80/x
  3. Step 3: Cross multiply
    198,955.53x = 298,033.56 × 98,812.80
  4. Step 4: Simplify right side
    198,955.53x = 29,449,530,557.57
  5. Step 5: Solve for x
    x = 29,449,530,557.57/198,955.53
  6. Step 6: Final answer
    x = 148,020.67

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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.