Finding the Fourth Proportional to 140.99, 194.61 and 92.00
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Solution
The fourth proportional to 140.99, 194.61 and 92.00 is: 126.99
Step by Step Solution
- Step 1: Write the proportion equation
140.99 : 194.61 = 92.00 : x - Step 2: Convert to fraction form
140.99/194.61 = 92.00/x - Step 3: Cross multiply
140.99x = 194.61 × 92.00 - Step 4: Simplify right side
140.99x = 17,903.15 - Step 5: Solve for x
x = 17,903.15/140.99 - Step 6: Final answer
x = 126.99
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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.