Finding the Fourth Proportional to 117,554.50, 176,158.90 and 69,473.62
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Solution
The fourth proportional to 117,554.50, 176,158.90 and 69,473.62 is: 104,108.28
Step by Step Solution
- Step 1: Write the proportion equation
117,554.50 : 176,158.90 = 69,473.62 : x - Step 2: Convert to fraction form
117,554.50/176,158.90 = 69,473.62/x - Step 3: Cross multiply
117,554.50x = 176,158.90 × 69,473.62 - Step 4: Simplify right side
117,554.50x = 12,238,396,478.22 - Step 5: Solve for x
x = 12,238,396,478.22/117,554.50 - Step 6: Final answer
x = 104,108.28
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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.