Finding the Fourth Proportional to 106,529.18, 146,927.12 and 68,292.32
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Solution
The fourth proportional to 106,529.18, 146,927.12 and 68,292.32 is: 94,190.09
Step by Step Solution
- Step 1: Write the proportion equation
106,529.18 : 146,927.12 = 68,292.32 : x - Step 2: Convert to fraction form
106,529.18/146,927.12 = 68,292.32/x - Step 3: Cross multiply
106,529.18x = 146,927.12 × 68,292.32 - Step 4: Simplify right side
106,529.18x = 10,033,992,819.62 - Step 5: Solve for x
x = 10,033,992,819.62/106,529.18 - Step 6: Final answer
x = 94,190.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.