Finding the Fourth Proportional to 122,256.09, 168,718.14 and 68,542.29
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Solution
The fourth proportional to 122,256.09, 168,718.14 and 68,542.29 is: 94,591.02
Step by Step Solution
- Step 1: Write the proportion equation
122,256.09 : 168,718.14 = 68,542.29 : x - Step 2: Convert to fraction form
122,256.09/168,718.14 = 68,542.29/x - Step 3: Cross multiply
122,256.09x = 168,718.14 × 68,542.29 - Step 4: Simplify right side
122,256.09x = 11,564,327,680.14 - Step 5: Solve for x
x = 11,564,327,680.14/122,256.09 - Step 6: Final answer
x = 94,591.02
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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.