Finding the Fourth Proportional to 119,917.68, 165,483.77 and 65,467.99
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Solution
The fourth proportional to 119,917.68, 165,483.77 and 65,467.99 is: 90,344.39
Step by Step Solution
- Step 1: Write the proportion equation
119,917.68 : 165,483.77 = 65,467.99 : x - Step 2: Convert to fraction form
119,917.68/165,483.77 = 65,467.99/x - Step 3: Cross multiply
119,917.68x = 165,483.77 × 65,467.99 - Step 4: Simplify right side
119,917.68x = 10,833,889,963.19 - Step 5: Solve for x
x = 10,833,889,963.19/119,917.68 - Step 6: Final answer
x = 90,344.39
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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.