Finding the Fourth Proportional to 135.93, 187.19 and 116.18
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Solution
The fourth proportional to 135.93, 187.19 and 116.18 is: 160.00
Step by Step Solution
- Step 1: Write the proportion equation
135.93 : 187.19 = 116.18 : x - Step 2: Convert to fraction form
135.93/187.19 = 116.18/x - Step 3: Cross multiply
135.93x = 187.19 × 116.18 - Step 4: Simplify right side
135.93x = 21,748.08 - Step 5: Solve for x
x = 21,748.08/135.93 - Step 6: Final answer
x = 160.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.