Finding the Fourth Proportional to 149,238.99, 205,945.07 and 88,795.80
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Solution
The fourth proportional to 149,238.99, 205,945.07 and 88,795.80 is: 122,535.38
Step by Step Solution
- Step 1: Write the proportion equation
149,238.99 : 205,945.07 = 88,795.80 : x - Step 2: Convert to fraction form
149,238.99/205,945.07 = 88,795.80/x - Step 3: Cross multiply
149,238.99x = 205,945.07 × 88,795.80 - Step 4: Simplify right side
149,238.99x = 18,287,056,802.73 - Step 5: Solve for x
x = 18,287,056,802.73/149,238.99 - Step 6: Final answer
x = 122,535.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.