Finding the Fourth Proportional to 122,013.76, 168,381.84 and 68,297.44
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Solution
The fourth proportional to 122,013.76, 168,381.84 and 68,297.44 is: 94,252.06
Step by Step Solution
- Step 1: Write the proportion equation
122,013.76 : 168,381.84 = 68,297.44 : x - Step 2: Convert to fraction form
122,013.76/168,381.84 = 68,297.44/x - Step 3: Cross multiply
122,013.76x = 168,381.84 × 68,297.44 - Step 4: Simplify right side
122,013.76x = 11,500,048,614.49 - Step 5: Solve for x
x = 11,500,048,614.49/122,013.76 - Step 6: Final answer
x = 94,252.06
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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.