Finding the Fourth Proportional to 114,603.13, 158,159.48 and 66,207.09
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Solution
The fourth proportional to 114,603.13, 158,159.48 and 66,207.09 is: 91,369.92
Step by Step Solution
- Step 1: Write the proportion equation
114,603.13 : 158,159.48 = 66,207.09 : x - Step 2: Convert to fraction form
114,603.13/158,159.48 = 66,207.09/x - Step 3: Cross multiply
114,603.13x = 158,159.48 × 66,207.09 - Step 4: Simplify right side
114,603.13x = 10,471,279,188.78 - Step 5: Solve for x
x = 10,471,279,188.78/114,603.13 - Step 6: Final answer
x = 91,369.92
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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.