Finding the Fourth Proportional to 126,708.09, 174,857.23 and 69,347.46
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Solution
The fourth proportional to 126,708.09, 174,857.23 and 69,347.46 is: 95,699.53
Step by Step Solution
- Step 1: Write the proportion equation
126,708.09 : 174,857.23 = 69,347.46 : x - Step 2: Convert to fraction form
126,708.09/174,857.23 = 69,347.46/x - Step 3: Cross multiply
126,708.09x = 174,857.23 × 69,347.46 - Step 4: Simplify right side
126,708.09x = 12,125,904,763.14 - Step 5: Solve for x
x = 12,125,904,763.14/126,708.09 - Step 6: Final answer
x = 95,699.53
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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.