Finding the Fourth Proportional to 114,686.64, 158,262.18 and 63,702.68
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Solution
The fourth proportional to 114,686.64, 158,262.18 and 63,702.68 is: 87,906.71
Step by Step Solution
- Step 1: Write the proportion equation
114,686.64 : 158,262.18 = 63,702.68 : x - Step 2: Convert to fraction form
114,686.64/158,262.18 = 63,702.68/x - Step 3: Cross multiply
114,686.64x = 158,262.18 × 63,702.68 - Step 4: Simplify right side
114,686.64x = 10,081,725,008.64 - Step 5: Solve for x
x = 10,081,725,008.64/114,686.64 - Step 6: Final answer
x = 87,906.71
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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.