Finding the Fourth Proportional to 166,890.84, 250,126.02 and 119,257.80
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Solution
The fourth proportional to 166,890.84, 250,126.02 and 119,257.80 is: 178,736.47
Step by Step Solution
- Step 1: Write the proportion equation
166,890.84 : 250,126.02 = 119,257.80 : x - Step 2: Convert to fraction form
166,890.84/250,126.02 = 119,257.80/x - Step 3: Cross multiply
166,890.84x = 250,126.02 × 119,257.80 - Step 4: Simplify right side
166,890.84x = 29,829,478,867.96 - Step 5: Solve for x
x = 29,829,478,867.96/166,890.84 - Step 6: Final answer
x = 178,736.47
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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.