Finding the Fourth Proportional to 102,125.26, 153,188.93 and 31,059.42
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Solution
The fourth proportional to 102,125.26, 153,188.93 and 31,059.42 is: 46,589.45
Step by Step Solution
- Step 1: Write the proportion equation
102,125.26 : 153,188.93 = 31,059.42 : x - Step 2: Convert to fraction form
102,125.26/153,188.93 = 31,059.42/x - Step 3: Cross multiply
102,125.26x = 153,188.93 × 31,059.42 - Step 4: Simplify right side
102,125.26x = 4,757,959,316.22 - Step 5: Solve for x
x = 4,757,959,316.22/102,125.26 - Step 6: Final answer
x = 46,589.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.