Finding the Fourth Proportional to 119,771.84, 165,283.20 and 68,785.64
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Solution
The fourth proportional to 119,771.84, 165,283.20 and 68,785.64 is: 94,923.07
Step by Step Solution
- Step 1: Write the proportion equation
119,771.84 : 165,283.20 = 68,785.64 : x - Step 2: Convert to fraction form
119,771.84/165,283.20 = 68,785.64/x - Step 3: Cross multiply
119,771.84x = 165,283.20 × 68,785.64 - Step 4: Simplify right side
119,771.84x = 11,369,110,693.25 - Step 5: Solve for x
x = 11,369,110,693.25/119,771.84 - Step 6: Final answer
x = 94,923.07
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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.