Finding the Fourth Proportional to 119,197.40, 164,525.52 and 68,238.68
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Solution
The fourth proportional to 119,197.40, 164,525.52 and 68,238.68 is: 94,188.33
Step by Step Solution
- Step 1: Write the proportion equation
119,197.40 : 164,525.52 = 68,238.68 : x - Step 2: Convert to fraction form
119,197.40/164,525.52 = 68,238.68/x - Step 3: Cross multiply
119,197.40x = 164,525.52 × 68,238.68 - Step 4: Simplify right side
119,197.40x = 11,227,004,311.11 - Step 5: Solve for x
x = 11,227,004,311.11/119,197.40 - Step 6: Final answer
x = 94,188.33
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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.