Finding the Fourth Proportional to 157,081.52, 235,532.97 and 107,221.97
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Solution
The fourth proportional to 157,081.52, 235,532.97 and 107,221.97 is: 160,771.99
Step by Step Solution
- Step 1: Write the proportion equation
157,081.52 : 235,532.97 = 107,221.97 : x - Step 2: Convert to fraction form
157,081.52/235,532.97 = 107,221.97/x - Step 3: Cross multiply
157,081.52x = 235,532.97 × 107,221.97 - Step 4: Simplify right side
157,081.52x = 25,254,307,865.69 - Step 5: Solve for x
x = 25,254,307,865.69/157,081.52 - Step 6: Final answer
x = 160,771.99
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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.