Finding the Fourth Proportional to 119,360.93, 164,721.20 and 65,646.99
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Solution
The fourth proportional to 119,360.93, 164,721.20 and 65,646.99 is: 90,594.56
Step by Step Solution
- Step 1: Write the proportion equation
119,360.93 : 164,721.20 = 65,646.99 : x - Step 2: Convert to fraction form
119,360.93/164,721.20 = 65,646.99/x - Step 3: Cross multiply
119,360.93x = 164,721.20 × 65,646.99 - Step 4: Simplify right side
119,360.93x = 10,813,450,640.95 - Step 5: Solve for x
x = 10,813,450,640.95/119,360.93 - Step 6: Final answer
x = 90,594.56
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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.