Finding the Fourth Proportional to 178,226.62, 245,943.32 and 101,742.68
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Solution
The fourth proportional to 178,226.62, 245,943.32 and 101,742.68 is: 140,399.53
Step by Step Solution
- Step 1: Write the proportion equation
178,226.62 : 245,943.32 = 101,742.68 : x - Step 2: Convert to fraction form
178,226.62/245,943.32 = 101,742.68/x - Step 3: Cross multiply
178,226.62x = 245,943.32 × 101,742.68 - Step 4: Simplify right side
178,226.62x = 25,022,932,611.04 - Step 5: Solve for x
x = 25,022,932,611.04/178,226.62 - Step 6: Final answer
x = 140,399.53
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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.