Finding the Fourth Proportional to 114,686.69, 158,262.26 and 63,702.65
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Solution
The fourth proportional to 114,686.69, 158,262.26 and 63,702.65 is: 87,906.68
Step by Step Solution
- Step 1: Write the proportion equation
114,686.69 : 158,262.26 = 63,702.65 : x - Step 2: Convert to fraction form
114,686.69/158,262.26 = 63,702.65/x - Step 3: Cross multiply
114,686.69x = 158,262.26 × 63,702.65 - Step 4: Simplify right side
114,686.69x = 10,081,725,434.13 - Step 5: Solve for x
x = 10,081,725,434.13/114,686.69 - Step 6: Final answer
x = 87,906.68
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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.