Finding the Fourth Proportional to 121,601.17, 182,028.02 and 103,665.07
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Solution
The fourth proportional to 121,601.17, 182,028.02 and 103,665.07 is: 155,178.99
Step by Step Solution
- Step 1: Write the proportion equation
121,601.17 : 182,028.02 = 103,665.07 : x - Step 2: Convert to fraction form
121,601.17/182,028.02 = 103,665.07/x - Step 3: Cross multiply
121,601.17x = 182,028.02 × 103,665.07 - Step 4: Simplify right side
121,601.17x = 18,869,946,525.12 - Step 5: Solve for x
x = 18,869,946,525.12/121,601.17 - Step 6: Final answer
x = 155,178.99
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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.