Finding the Fourth Proportional to 134,861.74, 186,101.92 and 83,873.03
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Solution
The fourth proportional to 134,861.74, 186,101.92 and 83,873.03 is: 115,740.26
Step by Step Solution
- Step 1: Write the proportion equation
134,861.74 : 186,101.92 = 83,873.03 : x - Step 2: Convert to fraction form
134,861.74/186,101.92 = 83,873.03/x - Step 3: Cross multiply
134,861.74x = 186,101.92 × 83,873.03 - Step 4: Simplify right side
134,861.74x = 15,608,932,402.08 - Step 5: Solve for x
x = 15,608,932,402.08/134,861.74 - Step 6: Final answer
x = 115,740.26
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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.