Finding the Fourth Proportional to 117,858.08, 176,646.62 and 82,125.92
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Solution
The fourth proportional to 117,858.08, 176,646.62 and 82,125.92 is: 123,090.98
Step by Step Solution
- Step 1: Write the proportion equation
117,858.08 : 176,646.62 = 82,125.92 : x - Step 2: Convert to fraction form
117,858.08/176,646.62 = 82,125.92/x - Step 3: Cross multiply
117,858.08x = 176,646.62 × 82,125.92 - Step 4: Simplify right side
117,858.08x = 14,507,266,182.39 - Step 5: Solve for x
x = 14,507,266,182.39/117,858.08 - Step 6: Final answer
x = 123,090.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.