Finding the Fourth Proportional to 135,370.91, 186,753.20 and 81,626.06
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Solution
The fourth proportional to 135,370.91, 186,753.20 and 81,626.06 is: 112,608.59
Step by Step Solution
- Step 1: Write the proportion equation
135,370.91 : 186,753.20 = 81,626.06 : x - Step 2: Convert to fraction form
135,370.91/186,753.20 = 81,626.06/x - Step 3: Cross multiply
135,370.91x = 186,753.20 × 81,626.06 - Step 4: Simplify right side
135,370.91x = 15,243,927,967.14 - Step 5: Solve for x
x = 15,243,927,967.14/135,370.91 - Step 6: Final answer
x = 112,608.59
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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.