Finding the Fourth Proportional to 124,960.68, 187,419.96 and 53,863.74
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Solution
The fourth proportional to 124,960.68, 187,419.96 and 53,863.74 is: 80,786.53
Step by Step Solution
- Step 1: Write the proportion equation
124,960.68 : 187,419.96 = 53,863.74 : x - Step 2: Convert to fraction form
124,960.68/187,419.96 = 53,863.74/x - Step 3: Cross multiply
124,960.68x = 187,419.96 × 53,863.74 - Step 4: Simplify right side
124,960.68x = 10,095,139,996.25 - Step 5: Solve for x
x = 10,095,139,996.25/124,960.68 - Step 6: Final answer
x = 80,786.53
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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.