Finding the Fourth Proportional to 146,957.13, 202,787.86 and 81,547.60
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Solution
The fourth proportional to 146,957.13, 202,787.86 and 81,547.60 is: 112,528.49
Step by Step Solution
- Step 1: Write the proportion equation
146,957.13 : 202,787.86 = 81,547.60 : x - Step 2: Convert to fraction form
146,957.13/202,787.86 = 81,547.60/x - Step 3: Cross multiply
146,957.13x = 202,787.86 × 81,547.60 - Step 4: Simplify right side
146,957.13x = 16,536,863,292.14 - Step 5: Solve for x
x = 16,536,863,292.14/146,957.13 - Step 6: Final answer
x = 112,528.49
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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.