Finding the Fourth Proportional to 146,117.94, 219,000.60 and 71,125.74
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Solution
The fourth proportional to 146,117.94, 219,000.60 and 71,125.74 is: 106,602.79
Step by Step Solution
- Step 1: Write the proportion equation
146,117.94 : 219,000.60 = 71,125.74 : x - Step 2: Convert to fraction form
146,117.94/219,000.60 = 71,125.74/x - Step 3: Cross multiply
146,117.94x = 219,000.60 × 71,125.74 - Step 4: Simplify right side
146,117.94x = 15,576,579,735.44 - Step 5: Solve for x
x = 15,576,579,735.44/146,117.94 - Step 6: Final answer
x = 106,602.79
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1.5x scale
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.