Finding the Fourth Proportional to 118,023.80, 177,035.70 and 94,695.80
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Solution
The fourth proportional to 118,023.80, 177,035.70 and 94,695.80 is: 142,043.70
Step by Step Solution
- Step 1: Write the proportion equation
118,023.80 : 177,035.70 = 94,695.80 : x - Step 2: Convert to fraction form
118,023.80/177,035.70 = 94,695.80/x - Step 3: Cross multiply
118,023.80x = 177,035.70 × 94,695.80 - Step 4: Simplify right side
118,023.80x = 16,764,537,240.06 - Step 5: Solve for x
x = 16,764,537,240.06/118,023.80 - Step 6: Final answer
x = 142,043.70
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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.