Finding the Fourth Proportional to 132,168.34, 182,392.48 and 71,738.99
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Solution
The fourth proportional to 132,168.34, 182,392.48 and 71,738.99 is: 98,999.90
Step by Step Solution
- Step 1: Write the proportion equation
132,168.34 : 182,392.48 = 71,738.99 : x - Step 2: Convert to fraction form
132,168.34/182,392.48 = 71,738.99/x - Step 3: Cross multiply
132,168.34x = 182,392.48 × 71,738.99 - Step 4: Simplify right side
132,168.34x = 13,084,652,298.80 - Step 5: Solve for x
x = 13,084,652,298.80/132,168.34 - Step 6: Final answer
x = 98,999.90
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1.5x scale
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.