Finding the Fourth Proportional to 118,940.44, 164,125.98 and 68,655.64
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Solution
The fourth proportional to 118,940.44, 164,125.98 and 68,655.64 is: 94,737.96
Step by Step Solution
- Step 1: Write the proportion equation
118,940.44 : 164,125.98 = 68,655.64 : x - Step 2: Convert to fraction form
118,940.44/164,125.98 = 68,655.64/x - Step 3: Cross multiply
118,940.44x = 164,125.98 × 68,655.64 - Step 4: Simplify right side
118,940.44x = 11,268,174,197.53 - Step 5: Solve for x
x = 11,268,174,197.53/118,940.44 - Step 6: Final answer
x = 94,737.96
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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.