Finding the Fourth Proportional to 106,665.35, 147,198.66 and 58,267.92
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Solution
The fourth proportional to 106,665.35, 147,198.66 and 58,267.92 is: 80,409.99
Step by Step Solution
- Step 1: Write the proportion equation
106,665.35 : 147,198.66 = 58,267.92 : x - Step 2: Convert to fraction form
106,665.35/147,198.66 = 58,267.92/x - Step 3: Cross multiply
106,665.35x = 147,198.66 × 58,267.92 - Step 4: Simplify right side
106,665.35x = 8,576,959,744.99 - Step 5: Solve for x
x = 8,576,959,744.99/106,665.35 - Step 6: Final answer
x = 80,409.99
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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.