Finding the Fourth Proportional to 192,659.73, 265,860.99 and 106,617.21
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Solution
The fourth proportional to 192,659.73, 265,860.99 and 106,617.21 is: 147,126.53
Step by Step Solution
- Step 1: Write the proportion equation
192,659.73 : 265,860.99 = 106,617.21 : x - Step 2: Convert to fraction form
192,659.73/265,860.99 = 106,617.21/x - Step 3: Cross multiply
192,659.73x = 265,860.99 × 106,617.21 - Step 4: Simplify right side
192,659.73x = 28,345,357,001.64 - Step 5: Solve for x
x = 28,345,357,001.64/192,659.73 - Step 6: Final answer
x = 147,126.53
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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.