Finding the Fourth Proportional to 122,125.25, 168,529.83 and 68,409.92
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Solution
The fourth proportional to 122,125.25, 168,529.83 and 68,409.92 is: 94,404.00
Step by Step Solution
- Step 1: Write the proportion equation
122,125.25 : 168,529.83 = 68,409.92 : x - Step 2: Convert to fraction form
122,125.25/168,529.83 = 68,409.92/x - Step 3: Cross multiply
122,125.25x = 168,529.83 × 68,409.92 - Step 4: Simplify right side
122,125.25x = 11,529,112,187.91 - Step 5: Solve for x
x = 11,529,112,187.91/122,125.25 - Step 6: Final answer
x = 94,404.00
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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.