Finding the Fourth Proportional to 122,227.96, 168,682.38 and 68,512.99
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Solution
The fourth proportional to 122,227.96, 168,682.38 and 68,512.99 is: 94,552.29
Step by Step Solution
- Step 1: Write the proportion equation
122,227.96 : 168,682.38 = 68,512.99 : x - Step 2: Convert to fraction form
122,227.96/168,682.38 = 68,512.99/x - Step 3: Cross multiply
122,227.96x = 168,682.38 × 68,512.99 - Step 4: Simplify right side
122,227.96x = 11,556,933,792.41 - Step 5: Solve for x
x = 11,556,933,792.41/122,227.96 - Step 6: Final answer
x = 94,552.29
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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.