Finding the Fourth Proportional to 127,954.96, 176,586.42 and 74,239.96
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Solution
The fourth proportional to 127,954.96, 176,586.42 and 74,239.96 is: 102,456.12
Step by Step Solution
- Step 1: Write the proportion equation
127,954.96 : 176,586.42 = 74,239.96 : x - Step 2: Convert to fraction form
127,954.96/176,586.42 = 74,239.96/x - Step 3: Cross multiply
127,954.96x = 176,586.42 × 74,239.96 - Step 4: Simplify right side
127,954.96x = 13,109,768,757.34 - Step 5: Solve for x
x = 13,109,768,757.34/127,954.96 - Step 6: Final answer
x = 102,456.12
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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.