Home / 198,056.32-273,318.08-108,632.96

Finding the Fourth Proportional to 198,056.32, 273,318.08 and 108,632.96

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Solution

The fourth proportional to 198,056.32, 273,318.08 and 108,632.96 is: 149,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,056.32 : 273,318.08 = 108,632.96 : x
  2. Step 2: Convert to fraction form
    198,056.32/273,318.08 = 108,632.96/x
  3. Step 3: Cross multiply
    198,056.32x = 273,318.08 × 108,632.96
  4. Step 4: Simplify right side
    198,056.32x = 29,691,352,051.92
  5. Step 5: Solve for x
    x = 29,691,352,051.92/198,056.32
  6. Step 6: Final answer
    x = 149,913.68

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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.