Finding the Fourth Proportional to 125,103.39, 187,629.11 and 46,163.62
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Solution
The fourth proportional to 125,103.39, 187,629.11 and 46,163.62 is: 69,235.85
Step by Step Solution
- Step 1: Write the proportion equation
125,103.39 : 187,629.11 = 46,163.62 : x - Step 2: Convert to fraction form
125,103.39/187,629.11 = 46,163.62/x - Step 3: Cross multiply
125,103.39x = 187,629.11 × 46,163.62 - Step 4: Simplify right side
125,103.39x = 8,661,639,111.81 - Step 5: Solve for x
x = 8,661,639,111.81/125,103.39 - Step 6: Final answer
x = 69,235.85
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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.