Finding the Fourth Proportional to 102,319.26, 141,207.06 and 57,610.14
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Solution
The fourth proportional to 102,319.26, 141,207.06 and 57,610.14 is: 79,505.64
Step by Step Solution
- Step 1: Write the proportion equation
102,319.26 : 141,207.06 = 57,610.14 : x - Step 2: Convert to fraction form
102,319.26/141,207.06 = 57,610.14/x - Step 3: Cross multiply
102,319.26x = 141,207.06 × 57,610.14 - Step 4: Simplify right side
102,319.26x = 8,134,958,495.59 - Step 5: Solve for x
x = 8,134,958,495.59/102,319.26 - Step 6: Final answer
x = 79,505.64
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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.