Finding the Fourth Proportional to 114,542.01, 171,896.27 and 86,496.75
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Solution
The fourth proportional to 114,542.01, 171,896.27 and 86,496.75 is: 129,807.99
Step by Step Solution
- Step 1: Write the proportion equation
114,542.01 : 171,896.27 = 86,496.75 : x - Step 2: Convert to fraction form
114,542.01/171,896.27 = 86,496.75/x - Step 3: Cross multiply
114,542.01x = 171,896.27 × 86,496.75 - Step 4: Simplify right side
114,542.01x = 14,868,468,259.64 - Step 5: Solve for x
x = 14,868,468,259.64/114,542.01 - Step 6: Final answer
x = 129,807.99
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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.