Finding the Fourth Proportional to 119,772.84, 165,284.58 and 68,786.64
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Solution
The fourth proportional to 119,772.84, 165,284.58 and 68,786.64 is: 94,924.45
Step by Step Solution
- Step 1: Write the proportion equation
119,772.84 : 165,284.58 = 68,786.64 : x - Step 2: Convert to fraction form
119,772.84/165,284.58 = 68,786.64/x - Step 3: Cross multiply
119,772.84x = 165,284.58 × 68,786.64 - Step 4: Simplify right side
119,772.84x = 11,369,370,902.01 - Step 5: Solve for x
x = 11,369,370,902.01/119,772.84 - Step 6: Final answer
x = 94,924.45
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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.