Finding the Fourth Proportional to 141.84, 195.62 and 91.99
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Solution
The fourth proportional to 141.84, 195.62 and 91.99 is: 126.87
Step by Step Solution
- Step 1: Write the proportion equation
141.84 : 195.62 = 91.99 : x - Step 2: Convert to fraction form
141.84/195.62 = 91.99/x - Step 3: Cross multiply
141.84x = 195.62 × 91.99 - Step 4: Simplify right side
141.84x = 17,995.08 - Step 5: Solve for x
x = 17,995.08/141.84 - Step 6: Final answer
x = 126.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.