Finding the Fourth Proportional to 131,325.61, 197,098.62 and 68,184.49
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Solution
The fourth proportional to 131,325.61, 197,098.62 and 68,184.49 is: 102,333.95
Step by Step Solution
- Step 1: Write the proportion equation
131,325.61 : 197,098.62 = 68,184.49 : x - Step 2: Convert to fraction form
131,325.61/197,098.62 = 68,184.49/x - Step 3: Cross multiply
131,325.61x = 197,098.62 × 68,184.49 - Step 4: Simplify right side
131,325.61x = 13,439,068,884.40 - Step 5: Solve for x
x = 13,439,068,884.40/131,325.61 - Step 6: Final answer
x = 102,333.95
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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.