Finding the Fourth Proportional to 163,904.15, 226,194.70 and 91,306.95
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Solution
The fourth proportional to 163,904.15, 226,194.70 and 91,306.95 is: 126,007.48
Step by Step Solution
- Step 1: Write the proportion equation
163,904.15 : 226,194.70 = 91,306.95 : x - Step 2: Convert to fraction form
163,904.15/226,194.70 = 91,306.95/x - Step 3: Cross multiply
163,904.15x = 226,194.70 × 91,306.95 - Step 4: Simplify right side
163,904.15x = 20,653,147,706.63 - Step 5: Solve for x
x = 20,653,147,706.63/163,904.15 - Step 6: Final answer
x = 126,007.48
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1.5x scale
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.