Finding the Fourth Proportional to 113,186.68, 169,648.79 and 106,625.68
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Solution
The fourth proportional to 113,186.68, 169,648.79 and 106,625.68 is: 159,814.89
Step by Step Solution
- Step 1: Write the proportion equation
113,186.68 : 169,648.79 = 106,625.68 : x - Step 2: Convert to fraction form
113,186.68/169,648.79 = 106,625.68/x - Step 3: Cross multiply
113,186.68x = 169,648.79 × 106,625.68 - Step 4: Simplify right side
113,186.68x = 18,088,916,637.68 - Step 5: Solve for x
x = 18,088,916,637.68/113,186.68 - Step 6: Final answer
x = 159,814.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.