Finding the Fourth Proportional to 114,393.23, 157,872.11 and 63,421.95
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Solution
The fourth proportional to 114,393.23, 157,872.11 and 63,421.95 is: 87,527.53
Step by Step Solution
- Step 1: Write the proportion equation
114,393.23 : 157,872.11 = 63,421.95 : x - Step 2: Convert to fraction form
114,393.23/157,872.11 = 63,421.95/x - Step 3: Cross multiply
114,393.23x = 157,872.11 × 63,421.95 - Step 4: Simplify right side
114,393.23x = 10,012,556,749.70 - Step 5: Solve for x
x = 10,012,556,749.70/114,393.23 - Step 6: Final answer
x = 87,527.53
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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.