Finding the Fourth Proportional to 114,631.65, 171,981.65 and 54,705.12
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Solution
The fourth proportional to 114,631.65, 171,981.65 and 54,705.12 is: 82,073.99
Step by Step Solution
- Step 1: Write the proportion equation
114,631.65 : 171,981.65 = 54,705.12 : x - Step 2: Convert to fraction form
114,631.65/171,981.65 = 54,705.12/x - Step 3: Cross multiply
114,631.65x = 171,981.65 × 54,705.12 - Step 4: Simplify right side
114,631.65x = 9,408,276,801.05 - Step 5: Solve for x
x = 9,408,276,801.05/114,631.65 - Step 6: Final answer
x = 82,073.99
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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.