Finding the Fourth Proportional to 161,852.88, 242,856.36 and 73,133.52
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Solution
The fourth proportional to 161,852.88, 242,856.36 and 73,133.52 is: 109,735.09
Step by Step Solution
- Step 1: Write the proportion equation
161,852.88 : 242,856.36 = 73,133.52 : x - Step 2: Convert to fraction form
161,852.88/242,856.36 = 73,133.52/x - Step 3: Cross multiply
161,852.88x = 242,856.36 × 73,133.52 - Step 4: Simplify right side
161,852.88x = 17,760,940,461.19 - Step 5: Solve for x
x = 17,760,940,461.19/161,852.88 - Step 6: Final answer
x = 109,735.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.