Finding the Fourth Proportional to 118,542.24, 177,813.16 and 55,341.18
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Solution
The fourth proportional to 118,542.24, 177,813.16 and 55,341.18 is: 83,011.68
Step by Step Solution
- Step 1: Write the proportion equation
118,542.24 : 177,813.16 = 55,341.18 : x - Step 2: Convert to fraction form
118,542.24/177,813.16 = 55,341.18/x - Step 3: Cross multiply
118,542.24x = 177,813.16 × 55,341.18 - Step 4: Simplify right side
118,542.24x = 9,840,389,955.58 - Step 5: Solve for x
x = 9,840,389,955.58/118,542.24 - Step 6: Final answer
x = 83,011.68
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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.