Home / 198,878.12-298,317.18-163,743.97

Finding the Fourth Proportional to 198,878.12, 298,317.18 and 163,743.97

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Solution

The fourth proportional to 198,878.12, 298,317.18 and 163,743.97 is: 245,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,878.12 : 298,317.18 = 163,743.97 : x
  2. Step 2: Convert to fraction form
    198,878.12/298,317.18 = 163,743.97/x
  3. Step 3: Cross multiply
    198,878.12x = 298,317.18 × 163,743.97
  4. Step 4: Simplify right side
    198,878.12x = 48,847,639,372.40
  5. Step 5: Solve for x
    x = 48,847,639,372.40/198,878.12
  6. Step 6: Final answer
    x = 245,615.96

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1.5x scale

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.