Finding the Fourth Proportional to 123,241.68, 170,073.36 and 66,652.92
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Solution
The fourth proportional to 123,241.68, 170,073.36 and 66,652.92 is: 91,980.94
Step by Step Solution
- Step 1: Write the proportion equation
123,241.68 : 170,073.36 = 66,652.92 : x - Step 2: Convert to fraction form
123,241.68/170,073.36 = 66,652.92/x - Step 3: Cross multiply
123,241.68x = 170,073.36 × 66,652.92 - Step 4: Simplify right side
123,241.68x = 11,335,886,058.21 - Step 5: Solve for x
x = 11,335,886,058.21/123,241.68 - Step 6: Final answer
x = 91,980.94
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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.