Finding the Fourth Proportional to 153.53, 212.03 and 125.99
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Solution
The fourth proportional to 153.53, 212.03 and 125.99 is: 174.00
Step by Step Solution
- Step 1: Write the proportion equation
153.53 : 212.03 = 125.99 : x - Step 2: Convert to fraction form
153.53/212.03 = 125.99/x - Step 3: Cross multiply
153.53x = 212.03 × 125.99 - Step 4: Simplify right side
153.53x = 26,714.50 - Step 5: Solve for x
x = 26,714.50/153.53 - Step 6: Final answer
x = 174.00
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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.