Finding the Fourth Proportional to 117,352.02, 161,974.06 and 68,964.64
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Solution
The fourth proportional to 117,352.02, 161,974.06 and 68,964.64 is: 95,187.82
Step by Step Solution
- Step 1: Write the proportion equation
117,352.02 : 161,974.06 = 68,964.64 : x - Step 2: Convert to fraction form
117,352.02/161,974.06 = 68,964.64/x - Step 3: Cross multiply
117,352.02x = 161,974.06 × 68,964.64 - Step 4: Simplify right side
117,352.02x = 11,170,482,737.24 - Step 5: Solve for x
x = 11,170,482,737.24/117,352.02 - Step 6: Final answer
x = 95,187.82
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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.