Finding the Fourth Proportional to 163,368.68, 225,460.74 and 91,752.92
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Solution
The fourth proportional to 163,368.68, 225,460.74 and 91,752.92 is: 126,625.75
Step by Step Solution
- Step 1: Write the proportion equation
163,368.68 : 225,460.74 = 91,752.92 : x - Step 2: Convert to fraction form
163,368.68/225,460.74 = 91,752.92/x - Step 3: Cross multiply
163,368.68x = 225,460.74 × 91,752.92 - Step 4: Simplify right side
163,368.68x = 20,686,681,240.36 - Step 5: Solve for x
x = 20,686,681,240.36/163,368.68 - Step 6: Final answer
x = 126,625.75
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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.