Finding the Fourth Proportional to 135,953.91, 187,616.79 and 75,523.05
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Solution
The fourth proportional to 135,953.91, 187,616.79 and 75,523.05 is: 104,222.03
Step by Step Solution
- Step 1: Write the proportion equation
135,953.91 : 187,616.79 = 75,523.05 : x - Step 2: Convert to fraction form
135,953.91/187,616.79 = 75,523.05/x - Step 3: Cross multiply
135,953.91x = 187,616.79 × 75,523.05 - Step 4: Simplify right side
135,953.91x = 14,169,392,212.01 - Step 5: Solve for x
x = 14,169,392,212.01/135,953.91 - Step 6: Final answer
x = 104,222.03
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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.