Finding the Fourth Proportional to 125,361.11, 187,864.85 and 69,226.49
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Solution
The fourth proportional to 125,361.11, 187,864.85 and 69,226.49 is: 103,742.09
Step by Step Solution
- Step 1: Write the proportion equation
125,361.11 : 187,864.85 = 69,226.49 : x - Step 2: Convert to fraction form
125,361.11/187,864.85 = 69,226.49/x - Step 3: Cross multiply
125,361.11x = 187,864.85 × 69,226.49 - Step 4: Simplify right side
125,361.11x = 13,005,222,874.42 - Step 5: Solve for x
x = 13,005,222,874.42/125,361.11 - Step 6: Final answer
x = 103,742.09
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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.