Finding the Fourth Proportional to 125,984.91, 173,859.18 and 69,396.29
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Solution
The fourth proportional to 125,984.91, 173,859.18 and 69,396.29 is: 95,766.88
Step by Step Solution
- Step 1: Write the proportion equation
125,984.91 : 173,859.18 = 69,396.29 : x - Step 2: Convert to fraction form
125,984.91/173,859.18 = 69,396.29/x - Step 3: Cross multiply
125,984.91x = 173,859.18 × 69,396.29 - Step 4: Simplify right side
125,984.91x = 12,065,181,205.15 - Step 5: Solve for x
x = 12,065,181,205.15/125,984.91 - Step 6: Final answer
x = 95,766.88
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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.