Finding the Fourth Proportional to 107,238.99, 160,963.74 and 89,583.12
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Solution
The fourth proportional to 107,238.99, 160,963.74 and 89,583.12 is: 134,462.61
Step by Step Solution
- Step 1: Write the proportion equation
107,238.99 : 160,963.74 = 89,583.12 : x - Step 2: Convert to fraction form
107,238.99/160,963.74 = 89,583.12/x - Step 3: Cross multiply
107,238.99x = 160,963.74 × 89,583.12 - Step 4: Simplify right side
107,238.99x = 14,419,634,036.07 - Step 5: Solve for x
x = 14,419,634,036.07/107,238.99 - Step 6: Final answer
x = 134,462.61
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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.