Finding the Fourth Proportional to 156,935.44, 235,378.32 and 68,165.14
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Solution
The fourth proportional to 156,935.44, 235,378.32 and 68,165.14 is: 102,236.92
Step by Step Solution
- Step 1: Write the proportion equation
156,935.44 : 235,378.32 = 68,165.14 : x - Step 2: Convert to fraction form
156,935.44/235,378.32 = 68,165.14/x - Step 3: Cross multiply
156,935.44x = 235,378.32 × 68,165.14 - Step 4: Simplify right side
156,935.44x = 16,044,596,135.76 - Step 5: Solve for x
x = 16,044,596,135.76/156,935.44 - Step 6: Final answer
x = 102,236.92
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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.