Finding the Fourth Proportional to 119,586.24, 164,934.84 and 74,238.64
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Solution
The fourth proportional to 119,586.24, 164,934.84 and 74,238.64 is: 102,390.86
Step by Step Solution
- Step 1: Write the proportion equation
119,586.24 : 164,934.84 = 74,238.64 : x - Step 2: Convert to fraction form
119,586.24/164,934.84 = 74,238.64/x - Step 3: Cross multiply
119,586.24x = 164,934.84 × 74,238.64 - Step 4: Simplify right side
119,586.24x = 12,244,538,210.22 - Step 5: Solve for x
x = 12,244,538,210.22/119,586.24 - Step 6: Final answer
x = 102,390.86
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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.