Finding the Fourth Proportional to 145,653.08, 201,097.92 and 91,286.96
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Solution
The fourth proportional to 145,653.08, 201,097.92 and 91,286.96 is: 126,036.59
Step by Step Solution
- Step 1: Write the proportion equation
145,653.08 : 201,097.92 = 91,286.96 : x - Step 2: Convert to fraction form
145,653.08/201,097.92 = 91,286.96/x - Step 3: Cross multiply
145,653.08x = 201,097.92 × 91,286.96 - Step 4: Simplify right side
145,653.08x = 18,357,617,779.12 - Step 5: Solve for x
x = 18,357,617,779.12/145,653.08 - Step 6: Final answer
x = 126,036.59
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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.