Finding the Fourth Proportional to 124,414.00, 171,637.18 and 79,067.68
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Solution
The fourth proportional to 124,414.00, 171,637.18 and 79,067.68 is: 109,078.99
Step by Step Solution
- Step 1: Write the proportion equation
124,414.00 : 171,637.18 = 79,067.68 : x - Step 2: Convert to fraction form
124,414.00/171,637.18 = 79,067.68/x - Step 3: Cross multiply
124,414.00x = 171,637.18 × 79,067.68 - Step 4: Simplify right side
124,414.00x = 13,570,952,997.58 - Step 5: Solve for x
x = 13,570,952,997.58/124,414.00 - Step 6: Final answer
x = 109,078.99
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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.