Finding the Fourth Proportional to 146,115.74, 201,637.73 and 81,585.97
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Solution
The fourth proportional to 146,115.74, 201,637.73 and 81,585.97 is: 112,587.52
Step by Step Solution
- Step 1: Write the proportion equation
146,115.74 : 201,637.73 = 81,585.97 : x - Step 2: Convert to fraction form
146,115.74/201,637.73 = 81,585.97/x - Step 3: Cross multiply
146,115.74x = 201,637.73 × 81,585.97 - Step 4: Simplify right side
146,115.74x = 16,450,809,490.52 - Step 5: Solve for x
x = 16,450,809,490.52/146,115.74 - Step 6: Final answer
x = 112,587.52
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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.