Finding the Fourth Proportional to 163,140.64, 225,135.61 and 91,522.19
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Solution
The fourth proportional to 163,140.64, 225,135.61 and 91,522.19 is: 126,301.48
Step by Step Solution
- Step 1: Write the proportion equation
163,140.64 : 225,135.61 = 91,522.19 : x - Step 2: Convert to fraction form
163,140.64/225,135.61 = 91,522.19/x - Step 3: Cross multiply
163,140.64x = 225,135.61 × 91,522.19 - Step 4: Simplify right side
163,140.64x = 20,604,904,074.19 - Step 5: Solve for x
x = 20,604,904,074.19/163,140.64 - Step 6: Final answer
x = 126,301.48
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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.