Finding the Fourth Proportional to 122,790.26, 169,460.40 and 69,072.08
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Solution
The fourth proportional to 122,790.26, 169,460.40 and 69,072.08 is: 95,325.00
Step by Step Solution
- Step 1: Write the proportion equation
122,790.26 : 169,460.40 = 69,072.08 : x - Step 2: Convert to fraction form
122,790.26/169,460.40 = 69,072.08/x - Step 3: Cross multiply
122,790.26x = 169,460.40 × 69,072.08 - Step 4: Simplify right side
122,790.26x = 11,704,981,717.35 - Step 5: Solve for x
x = 11,704,981,717.35/122,790.26 - Step 6: Final answer
x = 95,325.00
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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.