Finding the Fourth Proportional to 135.88, 187.14 and 94.44
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Solution
The fourth proportional to 135.88, 187.14 and 94.44 is: 130.07
Step by Step Solution
- Step 1: Write the proportion equation
135.88 : 187.14 = 94.44 : x - Step 2: Convert to fraction form
135.88/187.14 = 94.44/x - Step 3: Cross multiply
135.88x = 187.14 × 94.44 - Step 4: Simplify right side
135.88x = 17,673.50 - Step 5: Solve for x
x = 17,673.50/135.88 - Step 6: Final answer
x = 130.07
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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.