Finding the Fourth Proportional to 127,656.97, 176,162.61 and 73,943.03
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Solution
The fourth proportional to 127,656.97, 176,162.61 and 73,943.03 is: 102,039.07
Step by Step Solution
- Step 1: Write the proportion equation
127,656.97 : 176,162.61 = 73,943.03 : x - Step 2: Convert to fraction form
127,656.97/176,162.61 = 73,943.03/x - Step 3: Cross multiply
127,656.97x = 176,162.61 × 73,943.03 - Step 4: Simplify right side
127,656.97x = 13,025,997,873.80 - Step 5: Solve for x
x = 13,025,997,873.80/127,656.97 - Step 6: Final answer
x = 102,039.07
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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.