Finding the Fourth Proportional to 147,665.67, 203,707.71 and 96,655.92
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Solution
The fourth proportional to 147,665.67, 203,707.71 and 96,655.92 is: 133,338.75
Step by Step Solution
- Step 1: Write the proportion equation
147,665.67 : 203,707.71 = 96,655.92 : x - Step 2: Convert to fraction form
147,665.67/203,707.71 = 96,655.92/x - Step 3: Cross multiply
147,665.67x = 203,707.71 × 96,655.92 - Step 4: Simplify right side
147,665.67x = 19,689,555,357.24 - Step 5: Solve for x
x = 19,689,555,357.24/147,665.67 - Step 6: Final answer
x = 133,338.75
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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.