Finding the Fourth Proportional to 109,502.76, 151,114.16 and 59,202.12
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Solution
The fourth proportional to 109,502.76, 151,114.16 and 59,202.12 is: 81,699.12
Step by Step Solution
- Step 1: Write the proportion equation
109,502.76 : 151,114.16 = 59,202.12 : x - Step 2: Convert to fraction form
109,502.76/151,114.16 = 59,202.12/x - Step 3: Cross multiply
109,502.76x = 151,114.16 × 59,202.12 - Step 4: Simplify right side
109,502.76x = 8,946,278,634.02 - Step 5: Solve for x
x = 8,946,278,634.02/109,502.76 - Step 6: Final answer
x = 81,699.12
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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.