Finding the Fourth Proportional to 118,220.99, 176,915.42 and 73,868.63
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Solution
The fourth proportional to 118,220.99, 176,915.42 and 73,868.63 is: 110,542.97
Step by Step Solution
- Step 1: Write the proportion equation
118,220.99 : 176,915.42 = 73,868.63 : x - Step 2: Convert to fraction form
118,220.99/176,915.42 = 73,868.63/x - Step 3: Cross multiply
118,220.99x = 176,915.42 × 73,868.63 - Step 4: Simplify right side
118,220.99x = 13,068,500,051.23 - Step 5: Solve for x
x = 13,068,500,051.23/118,220.99 - Step 6: Final answer
x = 110,542.97
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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.