Finding the Fourth Proportional to 104,933.19, 144,807.99 and 57,186.52
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Solution
The fourth proportional to 104,933.19, 144,807.99 and 57,186.52 is: 78,917.50
Step by Step Solution
- Step 1: Write the proportion equation
104,933.19 : 144,807.99 = 57,186.52 : x - Step 2: Convert to fraction form
104,933.19/144,807.99 = 57,186.52/x - Step 3: Cross multiply
104,933.19x = 144,807.99 × 57,186.52 - Step 4: Simplify right side
104,933.19x = 8,281,065,016.29 - Step 5: Solve for x
x = 8,281,065,016.29/104,933.19 - Step 6: Final answer
x = 78,917.50
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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.