Finding the Fourth Proportional to 122,301.84, 168,768.60 and 68,586.48
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Solution
The fourth proportional to 122,301.84, 168,768.60 and 68,586.48 is: 94,644.89
Step by Step Solution
- Step 1: Write the proportion equation
122,301.84 : 168,768.60 = 68,586.48 : x - Step 2: Convert to fraction form
122,301.84/168,768.60 = 68,586.48/x - Step 3: Cross multiply
122,301.84x = 168,768.60 × 68,586.48 - Step 4: Simplify right side
122,301.84x = 11,575,244,208.53 - Step 5: Solve for x
x = 11,575,244,208.53/122,301.84 - Step 6: Final answer
x = 94,644.89
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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.