Finding the Fourth Proportional to 159,525.26, 220,153.52 and 91,541.68
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Solution
The fourth proportional to 159,525.26, 220,153.52 and 91,541.68 is: 126,332.49
Step by Step Solution
- Step 1: Write the proportion equation
159,525.26 : 220,153.52 = 91,541.68 : x - Step 2: Convert to fraction form
159,525.26/220,153.52 = 91,541.68/x - Step 3: Cross multiply
159,525.26x = 220,153.52 × 91,541.68 - Step 4: Simplify right side
159,525.26x = 20,153,223,078.71 - Step 5: Solve for x
x = 20,153,223,078.71/159,525.26 - Step 6: Final answer
x = 126,332.49
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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.