Finding the Fourth Proportional to 166,737.99, 230,130.81 and 126,381.36
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Solution
The fourth proportional to 166,737.99, 230,130.81 and 126,381.36 is: 174,430.82
Step by Step Solution
- Step 1: Write the proportion equation
166,737.99 : 230,130.81 = 126,381.36 : x - Step 2: Convert to fraction form
166,737.99/230,130.81 = 126,381.36/x - Step 3: Cross multiply
166,737.99x = 230,130.81 × 126,381.36 - Step 4: Simplify right side
166,737.99x = 29,084,244,745.70 - Step 5: Solve for x
x = 29,084,244,745.70/166,737.99 - Step 6: Final answer
x = 174,430.82
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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.