Finding the Fourth Proportional to 135.99, 203.97 and 109.10
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Solution
The fourth proportional to 135.99, 203.97 and 109.10 is: 163.64
Step by Step Solution
- Step 1: Write the proportion equation
135.99 : 203.97 = 109.10 : x - Step 2: Convert to fraction form
135.99/203.97 = 109.10/x - Step 3: Cross multiply
135.99x = 203.97 × 109.10 - Step 4: Simplify right side
135.99x = 22,253.13 - Step 5: Solve for x
x = 22,253.13/135.99 - Step 6: Final answer
x = 163.64
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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.