Finding the Fourth Proportional to 135,957.68, 203,890.36 and 51,697.52
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Solution
The fourth proportional to 135,957.68, 203,890.36 and 51,697.52 is: 77,528.73
Step by Step Solution
- Step 1: Write the proportion equation
135,957.68 : 203,890.36 = 51,697.52 : x - Step 2: Convert to fraction form
135,957.68/203,890.36 = 51,697.52/x - Step 3: Cross multiply
135,957.68x = 203,890.36 × 51,697.52 - Step 4: Simplify right side
135,957.68x = 10,540,625,963.91 - Step 5: Solve for x
x = 10,540,625,963.91/135,957.68 - Step 6: Final answer
x = 77,528.73
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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.