Finding the Fourth Proportional to 119,956.09, 164,339.09 and 115,470.31
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Solution
The fourth proportional to 119,956.09, 164,339.09 and 115,470.31 is: 158,193.60
Step by Step Solution
- Step 1: Write the proportion equation
119,956.09 : 164,339.09 = 115,470.31 : x - Step 2: Convert to fraction form
119,956.09/164,339.09 = 115,470.31/x - Step 3: Cross multiply
119,956.09x = 164,339.09 × 115,470.31 - Step 4: Simplify right side
119,956.09x = 18,976,285,667.42 - Step 5: Solve for x
x = 18,976,285,667.42/119,956.09 - Step 6: Final answer
x = 158,193.60
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.