Finding the Fourth Proportional to 132,147.06, 182,363.06 and 71,717.70
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Solution
The fourth proportional to 132,147.06, 182,363.06 and 71,717.70 is: 98,970.49
Step by Step Solution
- Step 1: Write the proportion equation
132,147.06 : 182,363.06 = 71,717.70 : x - Step 2: Convert to fraction form
132,147.06/182,363.06 = 71,717.70/x - Step 3: Cross multiply
132,147.06x = 182,363.06 × 71,717.70 - Step 4: Simplify right side
132,147.06x = 13,078,659,228.16 - Step 5: Solve for x
x = 13,078,659,228.16/132,147.06 - Step 6: Final answer
x = 98,970.49
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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.