Finding the Fourth Proportional to 135,331.23, 186,744.44 and 80,872.59
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Solution
The fourth proportional to 135,331.23, 186,744.44 and 80,872.59 is: 111,596.61
Step by Step Solution
- Step 1: Write the proportion equation
135,331.23 : 186,744.44 = 80,872.59 : x - Step 2: Convert to fraction form
135,331.23/186,744.44 = 80,872.59/x - Step 3: Cross multiply
135,331.23x = 186,744.44 × 80,872.59 - Step 4: Simplify right side
135,331.23x = 15,102,506,733.08 - Step 5: Solve for x
x = 15,102,506,733.08/135,331.23 - Step 6: Final answer
x = 111,596.61
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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.