Finding the Fourth Proportional to 119,177.11, 164,459.99 and 65,458.92
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Solution
The fourth proportional to 119,177.11, 164,459.99 and 65,458.92 is: 90,330.88
Step by Step Solution
- Step 1: Write the proportion equation
119,177.11 : 164,459.99 = 65,458.92 : x - Step 2: Convert to fraction form
119,177.11/164,459.99 = 65,458.92/x - Step 3: Cross multiply
119,177.11x = 164,459.99 × 65,458.92 - Step 4: Simplify right side
119,177.11x = 10,765,372,815.69 - Step 5: Solve for x
x = 10,765,372,815.69/119,177.11 - Step 6: Final answer
x = 90,330.88
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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.