Finding the Fourth Proportional to 106,088.52, 159,120.88 and 27,204.60
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Solution
The fourth proportional to 106,088.52, 159,120.88 and 27,204.60 is: 40,803.85
Step by Step Solution
- Step 1: Write the proportion equation
106,088.52 : 159,120.88 = 27,204.60 : x - Step 2: Convert to fraction form
106,088.52/159,120.88 = 27,204.60/x - Step 3: Cross multiply
106,088.52x = 159,120.88 × 27,204.60 - Step 4: Simplify right side
106,088.52x = 4,328,819,892.05 - Step 5: Solve for x
x = 4,328,819,892.05/106,088.52 - Step 6: Final answer
x = 40,803.85
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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.