Finding the Fourth Proportional to 135,607.95, 203,337.40 and 107,706.69
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Solution
The fourth proportional to 135,607.95, 203,337.40 and 107,706.69 is: 161,500.84
Step by Step Solution
- Step 1: Write the proportion equation
135,607.95 : 203,337.40 = 107,706.69 : x - Step 2: Convert to fraction form
135,607.95/203,337.40 = 107,706.69/x - Step 3: Cross multiply
135,607.95x = 203,337.40 × 107,706.69 - Step 4: Simplify right side
135,607.95x = 21,900,797,021.25 - Step 5: Solve for x
x = 21,900,797,021.25/135,607.95 - Step 6: Final answer
x = 161,500.84
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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.