Finding the Fourth Proportional to 119,027.20, 164,252.03 and 65,310.88
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Solution
The fourth proportional to 119,027.20, 164,252.03 and 65,310.88 is: 90,125.99
Step by Step Solution
- Step 1: Write the proportion equation
119,027.20 : 164,252.03 = 65,310.88 : x - Step 2: Convert to fraction form
119,027.20/164,252.03 = 65,310.88/x - Step 3: Cross multiply
119,027.20x = 164,252.03 × 65,310.88 - Step 4: Simplify right side
119,027.20x = 10,727,444,621.09 - Step 5: Solve for x
x = 10,727,444,621.09/119,027.20 - Step 6: Final answer
x = 90,125.99
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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.