Home / 198,842.44-298,169.34-72,393.16

Finding the Fourth Proportional to 198,842.44, 298,169.34 and 72,393.16

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Solution

The fourth proportional to 198,842.44, 298,169.34 and 72,393.16 is: 108,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,842.44 : 298,169.34 = 72,393.16 : x
  2. Step 2: Convert to fraction form
    198,842.44/298,169.34 = 72,393.16/x
  3. Step 3: Cross multiply
    198,842.44x = 298,169.34 × 72,393.16
  4. Step 4: Simplify right side
    198,842.44x = 21,585,420,737.71
  5. Step 5: Solve for x
    x = 21,585,420,737.71/198,842.44
  6. Step 6: Final answer
    x = 108,555.40

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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.