Finding the Fourth Proportional to 107,537.97, 160,991.52 and 75,405.63
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Solution
The fourth proportional to 107,537.97, 160,991.52 and 75,405.63 is: 112,887.26
Step by Step Solution
- Step 1: Write the proportion equation
107,537.97 : 160,991.52 = 75,405.63 : x - Step 2: Convert to fraction form
107,537.97/160,991.52 = 75,405.63/x - Step 3: Cross multiply
107,537.97x = 160,991.52 × 75,405.63 - Step 4: Simplify right side
107,537.97x = 12,139,666,990.26 - Step 5: Solve for x
x = 12,139,666,990.26/107,537.97 - Step 6: Final answer
x = 112,887.26
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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.