Finding the Fourth Proportional to 166,618.44, 229,859.28 and 106,156.26
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Solution
The fourth proportional to 166,618.44, 229,859.28 and 106,156.26 is: 146,448.39
Step by Step Solution
- Step 1: Write the proportion equation
166,618.44 : 229,859.28 = 106,156.26 : x - Step 2: Convert to fraction form
166,618.44/229,859.28 = 106,156.26/x - Step 3: Cross multiply
166,618.44x = 229,859.28 × 106,156.26 - Step 4: Simplify right side
166,618.44x = 24,401,001,491.09 - Step 5: Solve for x
x = 24,401,001,491.09/166,618.44 - Step 6: Final answer
x = 146,448.39
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1.5x scale
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.