Home / 198,741.86-298,002.08-103,734.26

Finding the Fourth Proportional to 198,741.86, 298,002.08 and 103,734.26

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Solution

The fourth proportional to 198,741.86, 298,002.08 and 103,734.26 is: 155,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,741.86 : 298,002.08 = 103,734.26 : x
  2. Step 2: Convert to fraction form
    198,741.86/298,002.08 = 103,734.26/x
  3. Step 3: Cross multiply
    198,741.86x = 298,002.08 × 103,734.26
  4. Step 4: Simplify right side
    198,741.86x = 30,913,025,247.26
  5. Step 5: Solve for x
    x = 30,913,025,247.26/198,741.86
  6. Step 6: Final answer
    x = 155,543.60

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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.