Finding the Fourth Proportional to 115,618.80, 173,526.96 and 82,420.08
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Solution
The fourth proportional to 115,618.80, 173,526.96 and 82,420.08 is: 123,700.52
Step by Step Solution
- Step 1: Write the proportion equation
115,618.80 : 173,526.96 = 82,420.08 : x - Step 2: Convert to fraction form
115,618.80/173,526.96 = 82,420.08/x - Step 3: Cross multiply
115,618.80x = 173,526.96 × 82,420.08 - Step 4: Simplify right side
115,618.80x = 14,302,105,925.36 - Step 5: Solve for x
x = 14,302,105,925.36/115,618.80 - Step 6: Final answer
x = 123,700.52
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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.