Finding the Fourth Proportional to 125,516.61, 173,214.05 and 68,928.39
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Solution
The fourth proportional to 125,516.61, 173,214.05 and 68,928.39 is: 95,121.80
Step by Step Solution
- Step 1: Write the proportion equation
125,516.61 : 173,214.05 = 68,928.39 : x - Step 2: Convert to fraction form
125,516.61/173,214.05 = 68,928.39/x - Step 3: Cross multiply
125,516.61x = 173,214.05 × 68,928.39 - Step 4: Simplify right side
125,516.61x = 11,939,365,247.24 - Step 5: Solve for x
x = 11,939,365,247.24/125,516.61 - Step 6: Final answer
x = 95,121.80
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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.