Finding the Fourth Proportional to 114,668.11, 158,245.99 and 63,681.69
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Solution
The fourth proportional to 114,668.11, 158,245.99 and 63,681.69 is: 87,882.95
Step by Step Solution
- Step 1: Write the proportion equation
114,668.11 : 158,245.99 = 63,681.69 : x - Step 2: Convert to fraction form
114,668.11/158,245.99 = 63,681.69/x - Step 3: Cross multiply
114,668.11x = 158,245.99 × 63,681.69 - Step 4: Simplify right side
114,668.11x = 10,077,371,881.12 - Step 5: Solve for x
x = 10,077,371,881.12/114,668.11 - Step 6: Final answer
x = 87,882.95
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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.