Finding the Fourth Proportional to 98,184.97, 135,487.20 and 55,162.09
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Solution
The fourth proportional to 98,184.97, 135,487.20 and 55,162.09 is: 76,119.16
Step by Step Solution
- Step 1: Write the proportion equation
98,184.97 : 135,487.20 = 55,162.09 : x - Step 2: Convert to fraction form
98,184.97/135,487.20 = 55,162.09/x - Step 3: Cross multiply
98,184.97x = 135,487.20 × 55,162.09 - Step 4: Simplify right side
98,184.97x = 7,473,757,120.25 - Step 5: Solve for x
x = 7,473,757,120.25/98,184.97 - Step 6: Final answer
x = 76,119.16
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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.