Finding the Fourth Proportional to 117,588.97, 162,266.64 and 63,873.92
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Solution
The fourth proportional to 117,588.97, 162,266.64 and 63,873.92 is: 88,142.68
Step by Step Solution
- Step 1: Write the proportion equation
117,588.97 : 162,266.64 = 63,873.92 : x - Step 2: Convert to fraction form
117,588.97/162,266.64 = 63,873.92/x - Step 3: Cross multiply
117,588.97x = 162,266.64 × 63,873.92 - Step 4: Simplify right side
117,588.97x = 10,364,605,994.71 - Step 5: Solve for x
x = 10,364,605,994.71/117,588.97 - Step 6: Final answer
x = 88,142.68
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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.