Finding the Fourth Proportional to 125.82, 188.93 and 122.99
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Solution
The fourth proportional to 125.82, 188.93 and 122.99 is: 184.68
Step by Step Solution
- Step 1: Write the proportion equation
125.82 : 188.93 = 122.99 : x - Step 2: Convert to fraction form
125.82/188.93 = 122.99/x - Step 3: Cross multiply
125.82x = 188.93 × 122.99 - Step 4: Simplify right side
125.82x = 23,235.86 - Step 5: Solve for x
x = 23,235.86/125.82 - Step 6: Final answer
x = 184.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.