Finding the Fourth Proportional to 106,327.70, 159,664.35 and 76,951.70
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Solution
The fourth proportional to 106,327.70, 159,664.35 and 76,951.70 is: 115,552.61
Step by Step Solution
- Step 1: Write the proportion equation
106,327.70 : 159,664.35 = 76,951.70 : x - Step 2: Convert to fraction form
106,327.70/159,664.35 = 76,951.70/x - Step 3: Cross multiply
106,327.70x = 159,664.35 × 76,951.70 - Step 4: Simplify right side
106,327.70x = 12,286,443,161.90 - Step 5: Solve for x
x = 12,286,443,161.90/106,327.70 - Step 6: Final answer
x = 115,552.61
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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.