Finding the Fourth Proportional to 141,163.14, 194,804.28 and 76,633.68
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Solution
The fourth proportional to 141,163.14, 194,804.28 and 76,633.68 is: 105,754.02
Step by Step Solution
- Step 1: Write the proportion equation
141,163.14 : 194,804.28 = 76,633.68 : x - Step 2: Convert to fraction form
141,163.14/194,804.28 = 76,633.68/x - Step 3: Cross multiply
141,163.14x = 194,804.28 × 76,633.68 - Step 4: Simplify right side
141,163.14x = 14,928,568,856.15 - Step 5: Solve for x
x = 14,928,568,856.15/141,163.14 - Step 6: Final answer
x = 105,754.02
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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.