Finding the Fourth Proportional to 123,777.99, 185,637.12 and 57,154.07
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Solution
The fourth proportional to 123,777.99, 185,637.12 and 57,154.07 is: 85,717.32
Step by Step Solution
- Step 1: Write the proportion equation
123,777.99 : 185,637.12 = 57,154.07 : x - Step 2: Convert to fraction form
123,777.99/185,637.12 = 57,154.07/x - Step 3: Cross multiply
123,777.99x = 185,637.12 × 57,154.07 - Step 4: Simplify right side
123,777.99x = 10,609,917,200.84 - Step 5: Solve for x
x = 10,609,917,200.84/123,777.99 - Step 6: Final answer
x = 85,717.32
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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.