Finding the Fourth Proportional to 121,797.16, 182,486.75 and 109,470.98
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Solution
The fourth proportional to 121,797.16, 182,486.75 and 109,470.98 is: 164,018.63
Step by Step Solution
- Step 1: Write the proportion equation
121,797.16 : 182,486.75 = 109,470.98 : x - Step 2: Convert to fraction form
121,797.16/182,486.75 = 109,470.98/x - Step 3: Cross multiply
121,797.16x = 182,486.75 × 109,470.98 - Step 4: Simplify right side
121,797.16x = 19,977,003,268.38 - Step 5: Solve for x
x = 19,977,003,268.38/121,797.16 - Step 6: Final answer
x = 164,018.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.