Finding the Fourth Proportional to 114,026.80, 157,353.60 and 63,725.68
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Solution
The fourth proportional to 114,026.80, 157,353.60 and 63,725.68 is: 87,939.55
Step by Step Solution
- Step 1: Write the proportion equation
114,026.80 : 157,353.60 = 63,725.68 : x - Step 2: Convert to fraction form
114,026.80/157,353.60 = 63,725.68/x - Step 3: Cross multiply
114,026.80x = 157,353.60 × 63,725.68 - Step 4: Simplify right side
114,026.80x = 10,027,465,160.45 - Step 5: Solve for x
x = 10,027,465,160.45/114,026.80 - Step 6: Final answer
x = 87,939.55
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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.