Finding the Fourth Proportional to 119,106.36, 164,371.01 and 65,395.49
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Solution
The fourth proportional to 119,106.36, 164,371.01 and 65,395.49 is: 90,248.09
Step by Step Solution
- Step 1: Write the proportion equation
119,106.36 : 164,371.01 = 65,395.49 : x - Step 2: Convert to fraction form
119,106.36/164,371.01 = 65,395.49/x - Step 3: Cross multiply
119,106.36x = 164,371.01 × 65,395.49 - Step 4: Simplify right side
119,106.36x = 10,749,121,591.91 - Step 5: Solve for x
x = 10,749,121,591.91/119,106.36 - Step 6: Final answer
x = 90,248.09
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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.