Home / 198,847.55-298,318.04-65,727.80

Finding the Fourth Proportional to 198,847.55, 298,318.04 and 65,727.80

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Solution

The fourth proportional to 198,847.55, 298,318.04 and 65,727.80 is: 98,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,847.55 : 298,318.04 = 65,727.80 : x
  2. Step 2: Convert to fraction form
    198,847.55/298,318.04 = 65,727.80/x
  3. Step 3: Cross multiply
    198,847.55x = 298,318.04 × 65,727.80
  4. Step 4: Simplify right side
    198,847.55x = 19,607,787,804.70
  5. Step 5: Solve for x
    x = 19,607,787,804.70/198,847.55
  6. Step 6: Final answer
    x = 98,607.14

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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.