Finding the Fourth Proportional to 166,704.18, 249,832.62 and 107,509.38
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Solution
The fourth proportional to 166,704.18, 249,832.62 and 107,509.38 is: 161,119.84
Step by Step Solution
- Step 1: Write the proportion equation
166,704.18 : 249,832.62 = 107,509.38 : x - Step 2: Convert to fraction form
166,704.18/249,832.62 = 107,509.38/x - Step 3: Cross multiply
166,704.18x = 249,832.62 × 107,509.38 - Step 4: Simplify right side
166,704.18x = 26,859,350,079.98 - Step 5: Solve for x
x = 26,859,350,079.98/166,704.18 - Step 6: Final answer
x = 161,119.84
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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.