Finding the Fourth Proportional to 140,233.44, 193,526.67 and 76,576.08
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Solution
The fourth proportional to 140,233.44, 193,526.67 and 76,576.08 is: 105,677.46
Step by Step Solution
- Step 1: Write the proportion equation
140,233.44 : 193,526.67 = 76,576.08 : x - Step 2: Convert to fraction form
140,233.44/193,526.67 = 76,576.08/x - Step 3: Cross multiply
140,233.44x = 193,526.67 × 76,576.08 - Step 4: Simplify right side
140,233.44x = 14,819,513,764.05 - Step 5: Solve for x
x = 14,819,513,764.05/140,233.44 - Step 6: Final answer
x = 105,677.46
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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.