Finding the Fourth Proportional to 129.06, 177.93 and 96.26
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Solution
The fourth proportional to 129.06, 177.93 and 96.26 is: 132.70
Step by Step Solution
- Step 1: Write the proportion equation
129.06 : 177.93 = 96.26 : x - Step 2: Convert to fraction form
129.06/177.93 = 96.26/x - Step 3: Cross multiply
129.06x = 177.93 × 96.26 - Step 4: Simplify right side
129.06x = 17,126.65 - Step 5: Solve for x
x = 17,126.65/129.06 - Step 6: Final answer
x = 132.70
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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.