Finding the Fourth Proportional to 140,769.42, 211,163.99 and 56,529.58
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Solution
The fourth proportional to 140,769.42, 211,163.99 and 56,529.58 is: 84,798.32
Step by Step Solution
- Step 1: Write the proportion equation
140,769.42 : 211,163.99 = 56,529.58 : x - Step 2: Convert to fraction form
140,769.42/211,163.99 = 56,529.58/x - Step 3: Cross multiply
140,769.42x = 211,163.99 × 56,529.58 - Step 4: Simplify right side
140,769.42x = 11,937,010,855.27 - Step 5: Solve for x
x = 11,937,010,855.27/140,769.42 - Step 6: Final answer
x = 84,798.32
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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.