Finding the Fourth Proportional to 146,553.92, 202,232.94 and 86,126.84
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Solution
The fourth proportional to 146,553.92, 202,232.94 and 86,126.84 is: 118,848.30
Step by Step Solution
- Step 1: Write the proportion equation
146,553.92 : 202,232.94 = 86,126.84 : x - Step 2: Convert to fraction form
146,553.92/202,232.94 = 86,126.84/x - Step 3: Cross multiply
146,553.92x = 202,232.94 × 86,126.84 - Step 4: Simplify right side
146,553.92x = 17,417,684,066.11 - Step 5: Solve for x
x = 17,417,684,066.11/146,553.92 - Step 6: Final answer
x = 118,848.30
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1.5x scale
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.