Finding the Fourth Proportional to 135.60, 187.26 and 94.26
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Solution
The fourth proportional to 135.60, 187.26 and 94.26 is: 130.17
Step by Step Solution
- Step 1: Write the proportion equation
135.60 : 187.26 = 94.26 : x - Step 2: Convert to fraction form
135.60/187.26 = 94.26/x - Step 3: Cross multiply
135.60x = 187.26 × 94.26 - Step 4: Simplify right side
135.60x = 17,651.13 - Step 5: Solve for x
x = 17,651.13/135.60 - Step 6: Final answer
x = 130.17
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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.