Finding the Fourth Proportional to 102,316.26, 141,202.92 and 57,607.14
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Solution
The fourth proportional to 102,316.26, 141,202.92 and 57,607.14 is: 79,501.50
Step by Step Solution
- Step 1: Write the proportion equation
102,316.26 : 141,202.92 = 57,607.14 : x - Step 2: Convert to fraction form
102,316.26/141,202.92 = 57,607.14/x - Step 3: Cross multiply
102,316.26x = 141,202.92 × 57,607.14 - Step 4: Simplify right side
102,316.26x = 8,134,296,380.85 - Step 5: Solve for x
x = 8,134,296,380.85/102,316.26 - Step 6: Final answer
x = 79,501.50
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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.