Finding the Fourth Proportional to 125,811.44, 173,620.20 and 69,226.32
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Solution
The fourth proportional to 125,811.44, 173,620.20 and 69,226.32 is: 95,532.55
Step by Step Solution
- Step 1: Write the proportion equation
125,811.44 : 173,620.20 = 69,226.32 : x - Step 2: Convert to fraction form
125,811.44/173,620.20 = 69,226.32/x - Step 3: Cross multiply
125,811.44x = 173,620.20 × 69,226.32 - Step 4: Simplify right side
125,811.44x = 12,019,087,523.66 - Step 5: Solve for x
x = 12,019,087,523.66/125,811.44 - Step 6: Final answer
x = 95,532.55
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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.