Finding the Fourth Proportional to 163,806.80, 226,015.99 and 92,160.68
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Solution
The fourth proportional to 163,806.80, 226,015.99 and 92,160.68 is: 127,160.70
Step by Step Solution
- Step 1: Write the proportion equation
163,806.80 : 226,015.99 = 92,160.68 : x - Step 2: Convert to fraction form
163,806.80/226,015.99 = 92,160.68/x - Step 3: Cross multiply
163,806.80x = 226,015.99 × 92,160.68 - Step 4: Simplify right side
163,806.80x = 20,829,785,968.79 - Step 5: Solve for x
x = 20,829,785,968.79/163,806.80 - Step 6: Final answer
x = 127,160.70
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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.