Finding the Fourth Proportional to 135,852.06, 203,748.93 and 85,226.70
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Solution
The fourth proportional to 135,852.06, 203,748.93 and 85,226.70 is: 127,821.76
Step by Step Solution
- Step 1: Write the proportion equation
135,852.06 : 203,748.93 = 85,226.70 : x - Step 2: Convert to fraction form
135,852.06/203,748.93 = 85,226.70/x - Step 3: Cross multiply
135,852.06x = 203,748.93 × 85,226.70 - Step 4: Simplify right side
135,852.06x = 17,364,848,932.43 - Step 5: Solve for x
x = 17,364,848,932.43/135,852.06 - Step 6: Final answer
x = 127,821.76
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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.