Finding the Fourth Proportional to 122,087.12, 183,412.08 and 117,042.68
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Solution
The fourth proportional to 122,087.12, 183,412.08 and 117,042.68 is: 175,833.79
Step by Step Solution
- Step 1: Write the proportion equation
122,087.12 : 183,412.08 = 117,042.68 : x - Step 2: Convert to fraction form
122,087.12/183,412.08 = 117,042.68/x - Step 3: Cross multiply
122,087.12x = 183,412.08 × 117,042.68 - Step 4: Simplify right side
122,087.12x = 21,467,040,470.51 - Step 5: Solve for x
x = 21,467,040,470.51/122,087.12 - Step 6: Final answer
x = 175,833.79
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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.