Finding the Fourth Proportional to 125,461.26, 173,078.79 and 80,116.55
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Solution
The fourth proportional to 125,461.26, 173,078.79 and 80,116.55 is: 110,523.96
Step by Step Solution
- Step 1: Write the proportion equation
125,461.26 : 173,078.79 = 80,116.55 : x - Step 2: Convert to fraction form
125,461.26/173,078.79 = 80,116.55/x - Step 3: Cross multiply
125,461.26x = 173,078.79 × 80,116.55 - Step 4: Simplify right side
125,461.26x = 13,866,475,016.19 - Step 5: Solve for x
x = 13,866,475,016.19/125,461.26 - Step 6: Final answer
x = 110,523.96
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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.