Finding the Fourth Proportional to 122,091.05, 168,477.63 and 68,363.75
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Solution
The fourth proportional to 122,091.05, 168,477.63 and 68,363.75 is: 94,337.48
Step by Step Solution
- Step 1: Write the proportion equation
122,091.05 : 168,477.63 = 68,363.75 : x - Step 2: Convert to fraction form
122,091.05/168,477.63 = 68,363.75/x - Step 3: Cross multiply
122,091.05x = 168,477.63 × 68,363.75 - Step 4: Simplify right side
122,091.05x = 11,517,762,577.91 - Step 5: Solve for x
x = 11,517,762,577.91/122,091.05 - Step 6: Final answer
x = 94,337.48
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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.