Finding the Fourth Proportional to 119,625.29, 165,078.99 and 68,637.20
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Solution
The fourth proportional to 119,625.29, 165,078.99 and 68,637.20 is: 94,717.09
Step by Step Solution
- Step 1: Write the proportion equation
119,625.29 : 165,078.99 = 68,637.20 : x - Step 2: Convert to fraction form
119,625.29/165,078.99 = 68,637.20/x - Step 3: Cross multiply
119,625.29x = 165,078.99 × 68,637.20 - Step 4: Simplify right side
119,625.29x = 11,330,559,652.43 - Step 5: Solve for x
x = 11,330,559,652.43/119,625.29 - Step 6: Final answer
x = 94,717.09
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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.