Home / 198,016.84-273,263.70-113,133.64

Finding the Fourth Proportional to 198,016.84, 273,263.70 and 113,133.64

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Solution

The fourth proportional to 198,016.84, 273,263.70 and 113,133.64 is: 156,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,016.84 : 273,263.70 = 113,133.64 : x
  2. Step 2: Convert to fraction form
    198,016.84/273,263.70 = 113,133.64/x
  3. Step 3: Cross multiply
    198,016.84x = 273,263.70 × 113,133.64
  4. Step 4: Simplify right side
    198,016.84x = 30,915,317,060.87
  5. Step 5: Solve for x
    x = 30,915,317,060.87/198,016.84
  6. Step 6: Final answer
    x = 156,124.69

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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.