Finding the Fourth Proportional to 122,090.99, 182,808.37 and 77,476.19
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Solution
The fourth proportional to 122,090.99, 182,808.37 and 77,476.19 is: 116,006.07
Step by Step Solution
- Step 1: Write the proportion equation
122,090.99 : 182,808.37 = 77,476.19 : x - Step 2: Convert to fraction form
122,090.99/182,808.37 = 77,476.19/x - Step 3: Cross multiply
122,090.99x = 182,808.37 × 77,476.19 - Step 4: Simplify right side
122,090.99x = 14,163,296,007.71 - Step 5: Solve for x
x = 14,163,296,007.71/122,090.99 - Step 6: Final answer
x = 116,006.07
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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.