Finding the Fourth Proportional to 121,806.60, 168,094.02 and 68,093.80
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Solution
The fourth proportional to 121,806.60, 168,094.02 and 68,093.80 is: 93,969.95
Step by Step Solution
- Step 1: Write the proportion equation
121,806.60 : 168,094.02 = 68,093.80 : x - Step 2: Convert to fraction form
121,806.60/168,094.02 = 68,093.80/x - Step 3: Cross multiply
121,806.60x = 168,094.02 × 68,093.80 - Step 4: Simplify right side
121,806.60x = 11,446,160,579.08 - Step 5: Solve for x
x = 11,446,160,579.08/121,806.60 - Step 6: Final answer
x = 93,969.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.