Finding the Fourth Proportional to 132,995.75, 183,534.05 and 85,249.06
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Solution
The fourth proportional to 132,995.75, 183,534.05 and 85,249.06 is: 117,643.65
Step by Step Solution
- Step 1: Write the proportion equation
132,995.75 : 183,534.05 = 85,249.06 : x - Step 2: Convert to fraction form
132,995.75/183,534.05 = 85,249.06/x - Step 3: Cross multiply
132,995.75x = 183,534.05 × 85,249.06 - Step 4: Simplify right side
132,995.75x = 15,646,104,994.78 - Step 5: Solve for x
x = 15,646,104,994.78/132,995.75 - Step 6: Final answer
x = 117,643.65
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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.