Finding the Fourth Proportional to 115,009.88, 158,689.73 and 67,253.99
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Solution
The fourth proportional to 115,009.88, 158,689.73 and 67,253.99 is: 92,796.53
Step by Step Solution
- Step 1: Write the proportion equation
115,009.88 : 158,689.73 = 67,253.99 : x - Step 2: Convert to fraction form
115,009.88/158,689.73 = 67,253.99/x - Step 3: Cross multiply
115,009.88x = 158,689.73 × 67,253.99 - Step 4: Simplify right side
115,009.88x = 10,672,516,889.21 - Step 5: Solve for x
x = 10,672,516,889.21/115,009.88 - Step 6: Final answer
x = 92,796.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.