Finding the Fourth Proportional to 134.52, 201.92 and 124.99
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Solution
The fourth proportional to 134.52, 201.92 and 124.99 is: 187.62
Step by Step Solution
- Step 1: Write the proportion equation
134.52 : 201.92 = 124.99 : x - Step 2: Convert to fraction form
134.52/201.92 = 124.99/x - Step 3: Cross multiply
134.52x = 201.92 × 124.99 - Step 4: Simplify right side
134.52x = 25,237.98 - Step 5: Solve for x
x = 25,237.98/134.52 - Step 6: Final answer
x = 187.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.