Finding the Fourth Proportional to 125,555.99, 173,268.54 and 68,195.87
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Solution
The fourth proportional to 125,555.99, 173,268.54 and 68,195.87 is: 94,110.99
Step by Step Solution
- Step 1: Write the proportion equation
125,555.99 : 173,268.54 = 68,195.87 : x - Step 2: Convert to fraction form
125,555.99/173,268.54 = 68,195.87/x - Step 3: Cross multiply
125,555.99x = 173,268.54 × 68,195.87 - Step 4: Simplify right side
125,555.99x = 11,816,197,962.59 - Step 5: Solve for x
x = 11,816,197,962.59/125,555.99 - Step 6: Final answer
x = 94,110.99
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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.