Finding the Fourth Proportional to 113,872.08, 157,149.69 and 62,884.68
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Solution
The fourth proportional to 113,872.08, 157,149.69 and 62,884.68 is: 86,784.30
Step by Step Solution
- Step 1: Write the proportion equation
113,872.08 : 157,149.69 = 62,884.68 : x - Step 2: Convert to fraction form
113,872.08/157,149.69 = 62,884.68/x - Step 3: Cross multiply
113,872.08x = 157,149.69 × 62,884.68 - Step 4: Simplify right side
113,872.08x = 9,882,308,115.19 - Step 5: Solve for x
x = 9,882,308,115.19/113,872.08 - Step 6: Final answer
x = 86,784.30
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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.