Finding the Fourth Proportional to 122,581.91, 168,771.99 and 104,604.77
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Solution
The fourth proportional to 122,581.91, 168,771.99 and 104,604.77 is: 144,020.88
Step by Step Solution
- Step 1: Write the proportion equation
122,581.91 : 168,771.99 = 104,604.77 : x - Step 2: Convert to fraction form
122,581.91/168,771.99 = 104,604.77/x - Step 3: Cross multiply
122,581.91x = 168,771.99 × 104,604.77 - Step 4: Simplify right side
122,581.91x = 17,654,354,352.53 - Step 5: Solve for x
x = 17,654,354,352.53/122,581.91 - Step 6: Final answer
x = 144,020.88
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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.