Finding the Fourth Proportional to 119,650.05, 165,118.18 and 65,936.99
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Solution
The fourth proportional to 119,650.05, 165,118.18 and 65,936.99 is: 90,993.66
Step by Step Solution
- Step 1: Write the proportion equation
119,650.05 : 165,118.18 = 65,936.99 : x - Step 2: Convert to fraction form
119,650.05/165,118.18 = 65,936.99/x - Step 3: Cross multiply
119,650.05x = 165,118.18 × 65,936.99 - Step 4: Simplify right side
119,650.05x = 10,887,395,783.48 - Step 5: Solve for x
x = 10,887,395,783.48/119,650.05 - Step 6: Final answer
x = 90,993.66
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1.5x scale
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.