Finding the Fourth Proportional to 146.07, 201.99 and 139.62
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Solution
The fourth proportional to 146.07, 201.99 and 139.62 is: 193.07
Step by Step Solution
- Step 1: Write the proportion equation
146.07 : 201.99 = 139.62 : x - Step 2: Convert to fraction form
146.07/201.99 = 139.62/x - Step 3: Cross multiply
146.07x = 201.99 × 139.62 - Step 4: Simplify right side
146.07x = 28,201.84 - Step 5: Solve for x
x = 28,201.84/146.07 - Step 6: Final answer
x = 193.07
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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.