Finding the Fourth Proportional to 135.63, 186.96 and 106.08
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Solution
The fourth proportional to 135.63, 186.96 and 106.08 is: 146.21
Step by Step Solution
- Step 1: Write the proportion equation
135.63 : 186.96 = 106.08 : x - Step 2: Convert to fraction form
135.63/186.96 = 106.08/x - Step 3: Cross multiply
135.63x = 186.96 × 106.08 - Step 4: Simplify right side
135.63x = 19,831.62 - Step 5: Solve for x
x = 19,831.62/135.63 - Step 6: Final answer
x = 146.21
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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.