Finding the Fourth Proportional to 115,094.99, 158,776.07 and 89,425.68
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Solution
The fourth proportional to 115,094.99, 158,776.07 and 89,425.68 is: 123,364.69
Step by Step Solution
- Step 1: Write the proportion equation
115,094.99 : 158,776.07 = 89,425.68 : x - Step 2: Convert to fraction form
115,094.99/158,776.07 = 89,425.68/x - Step 3: Cross multiply
115,094.99x = 158,776.07 × 89,425.68 - Step 4: Simplify right side
115,094.99x = 14,198,658,027.48 - Step 5: Solve for x
x = 14,198,658,027.48/115,094.99 - Step 6: Final answer
x = 123,364.69
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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.