Finding the Fourth Proportional to 106,441.68, 146,898.28 and 58,704.40
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Solution
The fourth proportional to 106,441.68, 146,898.28 and 58,704.40 is: 81,016.90
Step by Step Solution
- Step 1: Write the proportion equation
106,441.68 : 146,898.28 = 58,704.40 : x - Step 2: Convert to fraction form
106,441.68/146,898.28 = 58,704.40/x - Step 3: Cross multiply
106,441.68x = 146,898.28 × 58,704.40 - Step 4: Simplify right side
106,441.68x = 8,623,575,388.43 - Step 5: Solve for x
x = 8,623,575,388.43/106,441.68 - Step 6: Final answer
x = 81,016.90
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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.