Finding the Fourth Proportional to 108,163.68, 149,251.05 and 60,410.94
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Solution
The fourth proportional to 108,163.68, 149,251.05 and 60,410.94 is: 83,358.82
Step by Step Solution
- Step 1: Write the proportion equation
108,163.68 : 149,251.05 = 60,410.94 : x - Step 2: Convert to fraction form
108,163.68/149,251.05 = 60,410.94/x - Step 3: Cross multiply
108,163.68x = 149,251.05 × 60,410.94 - Step 4: Simplify right side
108,163.68x = 9,016,396,226.49 - Step 5: Solve for x
x = 9,016,396,226.49/108,163.68 - Step 6: Final answer
x = 83,358.82
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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.