Finding the Fourth Proportional to 106,301.02, 159,451.73 and 99,805.63
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Solution
The fourth proportional to 106,301.02, 159,451.73 and 99,805.63 is: 149,708.63
Step by Step Solution
- Step 1: Write the proportion equation
106,301.02 : 159,451.73 = 99,805.63 : x - Step 2: Convert to fraction form
106,301.02/159,451.73 = 99,805.63/x - Step 3: Cross multiply
106,301.02x = 159,451.73 × 99,805.63 - Step 4: Simplify right side
106,301.02x = 15,914,180,367.24 - Step 5: Solve for x
x = 15,914,180,367.24/106,301.02 - Step 6: Final answer
x = 149,708.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.