Finding the Fourth Proportional to 135,593.37, 187,106.38 and 75,161.09
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Solution
The fourth proportional to 135,593.37, 187,106.38 and 75,161.09 is: 103,715.39
Step by Step Solution
- Step 1: Write the proportion equation
135,593.37 : 187,106.38 = 75,161.09 : x - Step 2: Convert to fraction form
135,593.37/187,106.38 = 75,161.09/x - Step 3: Cross multiply
135,593.37x = 187,106.38 × 75,161.09 - Step 4: Simplify right side
135,593.37x = 14,063,119,466.75 - Step 5: Solve for x
x = 14,063,119,466.75/135,593.37 - Step 6: Final answer
x = 103,715.39
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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.