Home / 198,318.87-297,182.88-109,597.71

Finding the Fourth Proportional to 198,318.87, 297,182.88 and 109,597.71

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Solution

The fourth proportional to 198,318.87, 297,182.88 and 109,597.71 is: 164,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,318.87 : 297,182.88 = 109,597.71 : x
  2. Step 2: Convert to fraction form
    198,318.87/297,182.88 = 109,597.71/x
  3. Step 3: Cross multiply
    198,318.87x = 297,182.88 × 109,597.71
  4. Step 4: Simplify right side
    198,318.87x = 32,570,563,099.20
  5. Step 5: Solve for x
    x = 32,570,563,099.20/198,318.87
  6. Step 6: Final answer
    x = 164,233.30

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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.