Finding the Fourth Proportional to 135,110.44, 186,433.36 and 76,968.71
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Solution
The fourth proportional to 135,110.44, 186,433.36 and 76,968.71 is: 106,205.96
Step by Step Solution
- Step 1: Write the proportion equation
135,110.44 : 186,433.36 = 76,968.71 : x - Step 2: Convert to fraction form
135,110.44/186,433.36 = 76,968.71/x - Step 3: Cross multiply
135,110.44x = 186,433.36 × 76,968.71 - Step 4: Simplify right side
135,110.44x = 14,349,534,288.00 - Step 5: Solve for x
x = 14,349,534,288.00/135,110.44 - Step 6: Final answer
x = 106,205.96
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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.