Finding the Fourth Proportional to 118,596.65, 177,953.40 and 55,421.12
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Solution
The fourth proportional to 118,596.65, 177,953.40 and 55,421.12 is: 83,158.99
Step by Step Solution
- Step 1: Write the proportion equation
118,596.65 : 177,953.40 = 55,421.12 : x - Step 2: Convert to fraction form
118,596.65/177,953.40 = 55,421.12/x - Step 3: Cross multiply
118,596.65x = 177,953.40 × 55,421.12 - Step 4: Simplify right side
118,596.65x = 9,862,377,180.69 - Step 5: Solve for x
x = 9,862,377,180.69/118,596.65 - Step 6: Final answer
x = 83,158.99
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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.