Finding the Fourth Proportional to 146,149.14, 201,719.52 and 85,739.19
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Solution
The fourth proportional to 146,149.14, 201,719.52 and 85,739.19 is: 118,339.86
Step by Step Solution
- Step 1: Write the proportion equation
146,149.14 : 201,719.52 = 85,739.19 : x - Step 2: Convert to fraction form
146,149.14/201,719.52 = 85,739.19/x - Step 3: Cross multiply
146,149.14x = 201,719.52 × 85,739.19 - Step 4: Simplify right side
146,149.14x = 17,295,268,396.96 - Step 5: Solve for x
x = 17,295,268,396.96/146,149.14 - Step 6: Final answer
x = 118,339.86
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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.