Finding the Fourth Proportional to 125,544.95, 173,282.16 and 71,861.09
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Solution
The fourth proportional to 125,544.95, 173,282.16 and 71,861.09 is: 99,185.54
Step by Step Solution
- Step 1: Write the proportion equation
125,544.95 : 173,282.16 = 71,861.09 : x - Step 2: Convert to fraction form
125,544.95/173,282.16 = 71,861.09/x - Step 3: Cross multiply
125,544.95x = 173,282.16 × 71,861.09 - Step 4: Simplify right side
125,544.95x = 12,452,243,669.44 - Step 5: Solve for x
x = 12,452,243,669.44/125,544.95 - Step 6: Final answer
x = 99,185.54
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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.