Finding the Fourth Proportional to 126,097.74, 174,015.12 and 68,737.53
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Solution
The fourth proportional to 126,097.74, 174,015.12 and 68,737.53 is: 94,857.92
Step by Step Solution
- Step 1: Write the proportion equation
126,097.74 : 174,015.12 = 68,737.53 : x - Step 2: Convert to fraction form
126,097.74/174,015.12 = 68,737.53/x - Step 3: Cross multiply
126,097.74x = 174,015.12 × 68,737.53 - Step 4: Simplify right side
126,097.74x = 11,961,369,531.45 - Step 5: Solve for x
x = 11,961,369,531.45/126,097.74 - Step 6: Final answer
x = 94,857.92
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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.