Finding the Fourth Proportional to 118,623.24, 177,737.94 and 83,489.09
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Solution
The fourth proportional to 118,623.24, 177,737.94 and 83,489.09 is: 125,095.03
Step by Step Solution
- Step 1: Write the proportion equation
118,623.24 : 177,737.94 = 83,489.09 : x - Step 2: Convert to fraction form
118,623.24/177,737.94 = 83,489.09/x - Step 3: Cross multiply
118,623.24x = 177,737.94 × 83,489.09 - Step 4: Simplify right side
118,623.24x = 14,839,177,980.38 - Step 5: Solve for x
x = 14,839,177,980.38/118,623.24 - Step 6: Final answer
x = 125,095.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.