Finding the Fourth Proportional to 106,604.76, 147,110.68 and 58,205.80
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Solution
The fourth proportional to 106,604.76, 147,110.68 and 58,205.80 is: 80,321.88
Step by Step Solution
- Step 1: Write the proportion equation
106,604.76 : 147,110.68 = 58,205.80 : x - Step 2: Convert to fraction form
106,604.76/147,110.68 = 58,205.80/x - Step 3: Cross multiply
106,604.76x = 147,110.68 × 58,205.80 - Step 4: Simplify right side
106,604.76x = 8,562,694,817.94 - Step 5: Solve for x
x = 8,562,694,817.94/106,604.76 - Step 6: Final answer
x = 80,321.88
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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.