Finding the Fourth Proportional to 146,463.60, 202,124.52 and 81,053.16
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Solution
The fourth proportional to 146,463.60, 202,124.52 and 81,053.16 is: 111,855.99
Step by Step Solution
- Step 1: Write the proportion equation
146,463.60 : 202,124.52 = 81,053.16 : x - Step 2: Convert to fraction form
146,463.60/202,124.52 = 81,053.16/x - Step 3: Cross multiply
146,463.60x = 202,124.52 × 81,053.16 - Step 4: Simplify right side
146,463.60x = 16,382,831,059.48 - Step 5: Solve for x
x = 16,382,831,059.48/146,463.60 - Step 6: Final answer
x = 111,855.99
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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.