Finding the Fourth Proportional to 118,973.52, 164,194.02 and 65,268.99
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Solution
The fourth proportional to 118,973.52, 164,194.02 and 65,268.99 is: 90,077.00
Step by Step Solution
- Step 1: Write the proportion equation
118,973.52 : 164,194.02 = 65,268.99 : x - Step 2: Convert to fraction form
118,973.52/164,194.02 = 65,268.99/x - Step 3: Cross multiply
118,973.52x = 164,194.02 × 65,268.99 - Step 4: Simplify right side
118,973.52x = 10,716,777,849.44 - Step 5: Solve for x
x = 10,716,777,849.44/118,973.52 - Step 6: Final answer
x = 90,077.00
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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.