Finding the Fourth Proportional to 126,751.28, 174,935.52 and 73,026.08
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Solution
The fourth proportional to 126,751.28, 174,935.52 and 73,026.08 is: 100,786.80
Step by Step Solution
- Step 1: Write the proportion equation
126,751.28 : 174,935.52 = 73,026.08 : x - Step 2: Convert to fraction form
126,751.28/174,935.52 = 73,026.08/x - Step 3: Cross multiply
126,751.28x = 174,935.52 × 73,026.08 - Step 4: Simplify right side
126,751.28x = 12,774,855,278.36 - Step 5: Solve for x
x = 12,774,855,278.36/126,751.28 - Step 6: Final answer
x = 100,786.80
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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.