Finding the Fourth Proportional to 119,205.84, 164,518.65 and 68,904.84
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Solution
The fourth proportional to 119,205.84, 164,518.65 and 68,904.84 is: 95,097.12
Step by Step Solution
- Step 1: Write the proportion equation
119,205.84 : 164,518.65 = 68,904.84 : x - Step 2: Convert to fraction form
119,205.84/164,518.65 = 68,904.84/x - Step 3: Cross multiply
119,205.84x = 164,518.65 × 68,904.84 - Step 4: Simplify right side
119,205.84x = 11,336,131,872.21 - Step 5: Solve for x
x = 11,336,131,872.21/119,205.84 - Step 6: Final answer
x = 95,097.12
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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.