Finding the Fourth Proportional to 135,425.40, 186,692.28 and 95,013.96
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Solution
The fourth proportional to 135,425.40, 186,692.28 and 95,013.96 is: 130,982.61
Step by Step Solution
- Step 1: Write the proportion equation
135,425.40 : 186,692.28 = 95,013.96 : x - Step 2: Convert to fraction form
135,425.40/186,692.28 = 95,013.96/x - Step 3: Cross multiply
135,425.40x = 186,692.28 × 95,013.96 - Step 4: Simplify right side
135,425.40x = 17,738,372,824.23 - Step 5: Solve for x
x = 17,738,372,824.23/135,425.40 - Step 6: Final answer
x = 130,982.61
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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.