Finding the Fourth Proportional to 117,772.02, 176,249.79 and 112,873.14
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Solution
The fourth proportional to 117,772.02, 176,249.79 and 112,873.14 is: 168,918.45
Step by Step Solution
- Step 1: Write the proportion equation
117,772.02 : 176,249.79 = 112,873.14 : x - Step 2: Convert to fraction form
117,772.02/176,249.79 = 112,873.14/x - Step 3: Cross multiply
117,772.02x = 176,249.79 × 112,873.14 - Step 4: Simplify right side
117,772.02x = 19,893,867,221.64 - Step 5: Solve for x
x = 19,893,867,221.64/117,772.02 - Step 6: Final answer
x = 168,918.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.