Finding the Fourth Proportional to 119,958.84, 165,537.36 and 68,935.50
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Solution
The fourth proportional to 119,958.84, 165,537.36 and 68,935.50 is: 95,127.63
Step by Step Solution
- Step 1: Write the proportion equation
119,958.84 : 165,537.36 = 68,935.50 : x - Step 2: Convert to fraction form
119,958.84/165,537.36 = 68,935.50/x - Step 3: Cross multiply
119,958.84x = 165,537.36 × 68,935.50 - Step 4: Simplify right side
119,958.84x = 11,411,400,680.28 - Step 5: Solve for x
x = 11,411,400,680.28/119,958.84 - Step 6: Final answer
x = 95,127.63
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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.