Finding the Fourth Proportional to 132,717.17, 183,154.09 and 75,358.98
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Solution
The fourth proportional to 132,717.17, 183,154.09 and 75,358.98 is: 103,997.89
Step by Step Solution
- Step 1: Write the proportion equation
132,717.17 : 183,154.09 = 75,358.98 : x - Step 2: Convert to fraction form
132,717.17/183,154.09 = 75,358.98/x - Step 3: Cross multiply
132,717.17x = 183,154.09 × 75,358.98 - Step 4: Simplify right side
132,717.17x = 13,802,305,405.23 - Step 5: Solve for x
x = 13,802,305,405.23/132,717.17 - Step 6: Final answer
x = 103,997.89
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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.