Finding the Fourth Proportional to 119,771.62, 165,277.14 and 66,056.98
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Solution
The fourth proportional to 119,771.62, 165,277.14 and 66,056.98 is: 91,154.39
Step by Step Solution
- Step 1: Write the proportion equation
119,771.62 : 165,277.14 = 66,056.98 : x - Step 2: Convert to fraction form
119,771.62/165,277.14 = 66,056.98/x - Step 3: Cross multiply
119,771.62x = 165,277.14 × 66,056.98 - Step 4: Simplify right side
119,771.62x = 10,917,708,731.44 - Step 5: Solve for x
x = 10,917,708,731.44/119,771.62 - Step 6: Final answer
x = 91,154.39
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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.