Finding the Fourth Proportional to 159,169.57, 219,685.20 and 91,232.08
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Solution
The fourth proportional to 159,169.57, 219,685.20 and 91,232.08 is: 125,918.15
Step by Step Solution
- Step 1: Write the proportion equation
159,169.57 : 219,685.20 = 91,232.08 : x - Step 2: Convert to fraction form
159,169.57/219,685.20 = 91,232.08/x - Step 3: Cross multiply
159,169.57x = 219,685.20 × 91,232.08 - Step 4: Simplify right side
159,169.57x = 20,042,337,741.22 - Step 5: Solve for x
x = 20,042,337,741.22/159,169.57 - Step 6: Final answer
x = 125,918.15
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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.