Finding the Fourth Proportional to 126,170.69, 174,115.71 and 68,810.13
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Solution
The fourth proportional to 126,170.69, 174,115.71 and 68,810.13 is: 94,958.07
Step by Step Solution
- Step 1: Write the proportion equation
126,170.69 : 174,115.71 = 68,810.13 : x - Step 2: Convert to fraction form
126,170.69/174,115.71 = 68,810.13/x - Step 3: Cross multiply
126,170.69x = 174,115.71 × 68,810.13 - Step 4: Simplify right side
126,170.69x = 11,980,924,640.14 - Step 5: Solve for x
x = 11,980,924,640.14/126,170.69 - Step 6: Final answer
x = 94,958.07
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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.