Finding the Fourth Proportional to 135,871.62, 202,892.47 and 110,961.08
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Solution
The fourth proportional to 135,871.62, 202,892.47 and 110,961.08 is: 165,694.41
Step by Step Solution
- Step 1: Write the proportion equation
135,871.62 : 202,892.47 = 110,961.08 : x - Step 2: Convert to fraction form
135,871.62/202,892.47 = 110,961.08/x - Step 3: Cross multiply
135,871.62x = 202,892.47 × 110,961.08 - Step 4: Simplify right side
135,871.62x = 22,513,167,595.07 - Step 5: Solve for x
x = 22,513,167,595.07/135,871.62 - Step 6: Final answer
x = 165,694.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.