Finding the Fourth Proportional to 110,812.68, 166,177.08 and 39,716.10
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Solution
The fourth proportional to 110,812.68, 166,177.08 and 39,716.10 is: 59,559.12
Step by Step Solution
- Step 1: Write the proportion equation
110,812.68 : 166,177.08 = 39,716.10 : x - Step 2: Convert to fraction form
110,812.68/166,177.08 = 39,716.10/x - Step 3: Cross multiply
110,812.68x = 166,177.08 × 39,716.10 - Step 4: Simplify right side
110,812.68x = 6,599,905,526.99 - Step 5: Solve for x
x = 6,599,905,526.99/110,812.68 - Step 6: Final answer
x = 59,559.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.