Finding the Fourth Proportional to 135,671.46, 203,432.61 and 107,770.20
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Solution
The fourth proportional to 135,671.46, 203,432.61 and 107,770.20 is: 161,596.06
Step by Step Solution
- Step 1: Write the proportion equation
135,671.46 : 203,432.61 = 107,770.20 : x - Step 2: Convert to fraction form
135,671.46/203,432.61 = 107,770.20/x - Step 3: Cross multiply
135,671.46x = 203,432.61 × 107,770.20 - Step 4: Simplify right side
135,671.46x = 21,923,973,066.22 - Step 5: Solve for x
x = 21,923,973,066.22/135,671.46 - Step 6: Final answer
x = 161,596.06
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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.