Home / 198,000.43-273,241.53-107,356.12

Finding the Fourth Proportional to 198,000.43, 273,241.53 and 107,356.12

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Solution

The fourth proportional to 198,000.43, 273,241.53 and 107,356.12 is: 148,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,000.43 : 273,241.53 = 107,356.12 : x
  2. Step 2: Convert to fraction form
    198,000.43/273,241.53 = 107,356.12/x
  3. Step 3: Cross multiply
    198,000.43x = 273,241.53 × 107,356.12
  4. Step 4: Simplify right side
    198,000.43x = 29,334,149,800.56
  5. Step 5: Solve for x
    x = 29,334,149,800.56/198,000.43
  6. Step 6: Final answer
    x = 148,151.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.