Finding the Fourth Proportional to 117,573.77, 162,249.12 and 63,857.63
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Solution
The fourth proportional to 117,573.77, 162,249.12 and 63,857.63 is: 88,122.07
Step by Step Solution
- Step 1: Write the proportion equation
117,573.77 : 162,249.12 = 63,857.63 : x - Step 2: Convert to fraction form
117,573.77/162,249.12 = 63,857.63/x - Step 3: Cross multiply
117,573.77x = 162,249.12 × 63,857.63 - Step 4: Simplify right side
117,573.77x = 10,360,843,461.54 - Step 5: Solve for x
x = 10,360,843,461.54/117,573.77 - Step 6: Final answer
x = 88,122.07
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1.5x scale
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.