Finding the Fourth Proportional to 103,967.96, 156,021.14 and 56,594.99
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Solution
The fourth proportional to 103,967.96, 156,021.14 and 56,594.99 is: 84,930.15
Step by Step Solution
- Step 1: Write the proportion equation
103,967.96 : 156,021.14 = 56,594.99 : x - Step 2: Convert to fraction form
103,967.96/156,021.14 = 56,594.99/x - Step 3: Cross multiply
103,967.96x = 156,021.14 × 56,594.99 - Step 4: Simplify right side
103,967.96x = 8,830,014,193.66 - Step 5: Solve for x
x = 8,830,014,193.66/103,967.96 - Step 6: Final answer
x = 84,930.15
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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.