Finding the Fourth Proportional to 157,023.04, 235,445.16 and 107,163.54
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Solution
The fourth proportional to 157,023.04, 235,445.16 and 107,163.54 is: 160,684.30
Step by Step Solution
- Step 1: Write the proportion equation
157,023.04 : 235,445.16 = 107,163.54 : x - Step 2: Convert to fraction form
157,023.04/235,445.16 = 107,163.54/x - Step 3: Cross multiply
157,023.04x = 235,445.16 × 107,163.54 - Step 4: Simplify right side
157,023.04x = 25,231,136,821.47 - Step 5: Solve for x
x = 25,231,136,821.47/157,023.04 - Step 6: Final answer
x = 160,684.30
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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.