Finding the Fourth Proportional to 147,202.36, 203,165.76 and 86,769.48
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Solution
The fourth proportional to 147,202.36, 203,165.76 and 86,769.48 is: 119,757.50
Step by Step Solution
- Step 1: Write the proportion equation
147,202.36 : 203,165.76 = 86,769.48 : x - Step 2: Convert to fraction form
147,202.36/203,165.76 = 86,769.48/x - Step 3: Cross multiply
147,202.36x = 203,165.76 × 86,769.48 - Step 4: Simplify right side
147,202.36x = 17,628,587,349.00 - Step 5: Solve for x
x = 17,628,587,349.00/147,202.36 - Step 6: Final answer
x = 119,757.50
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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.