Finding the Fourth Proportional to 96,291.45, 144,163.80 and 91,054.80
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Solution
The fourth proportional to 96,291.45, 144,163.80 and 91,054.80 is: 136,323.69
Step by Step Solution
- Step 1: Write the proportion equation
96,291.45 : 144,163.80 = 91,054.80 : x - Step 2: Convert to fraction form
96,291.45/144,163.80 = 91,054.80/x - Step 3: Cross multiply
96,291.45x = 144,163.80 × 91,054.80 - Step 4: Simplify right side
96,291.45x = 13,126,805,976.24 - Step 5: Solve for x
x = 13,126,805,976.24/96,291.45 - Step 6: Final answer
x = 136,323.69
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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.