Finding the Fourth Proportional to 122,351.13, 168,747.17 and 101,093.49
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Solution
The fourth proportional to 122,351.13, 168,747.17 and 101,093.49 is: 139,428.54
Step by Step Solution
- Step 1: Write the proportion equation
122,351.13 : 168,747.17 = 101,093.49 : x - Step 2: Convert to fraction form
122,351.13/168,747.17 = 101,093.49/x - Step 3: Cross multiply
122,351.13x = 168,747.17 × 101,093.49 - Step 4: Simplify right side
122,351.13x = 17,059,239,837.46 - Step 5: Solve for x
x = 17,059,239,837.46/122,351.13 - Step 6: Final answer
x = 139,428.54
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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.