Finding the Fourth Proportional to 103,969.96, 156,024.14 and 56,596.99
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Solution
The fourth proportional to 103,969.96, 156,024.14 and 56,596.99 is: 84,933.15
Step by Step Solution
- Step 1: Write the proportion equation
103,969.96 : 156,024.14 = 56,596.99 : x - Step 2: Convert to fraction form
103,969.96/156,024.14 = 56,596.99/x - Step 3: Cross multiply
103,969.96x = 156,024.14 × 56,596.99 - Step 4: Simplify right side
103,969.96x = 8,830,496,691.34 - Step 5: Solve for x
x = 8,830,496,691.34/103,969.96 - Step 6: Final answer
x = 84,933.15
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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.