Finding the Fourth Proportional to 126,708.18, 174,857.75 and 68,564.91
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Solution
The fourth proportional to 126,708.18, 174,857.75 and 68,564.91 is: 94,619.83
Step by Step Solution
- Step 1: Write the proportion equation
126,708.18 : 174,857.75 = 68,564.91 : x - Step 2: Convert to fraction form
126,708.18/174,857.75 = 68,564.91/x - Step 3: Cross multiply
126,708.18x = 174,857.75 × 68,564.91 - Step 4: Simplify right side
126,708.18x = 11,989,106,570.04 - Step 5: Solve for x
x = 11,989,106,570.04/126,708.18 - Step 6: Final answer
x = 94,619.83
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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.