Finding the Fourth Proportional to 113,114.53, 156,026.32 and 69,487.99
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Solution
The fourth proportional to 113,114.53, 156,026.32 and 69,487.99 is: 95,849.36
Step by Step Solution
- Step 1: Write the proportion equation
113,114.53 : 156,026.32 = 69,487.99 : x - Step 2: Convert to fraction form
113,114.53/156,026.32 = 69,487.99/x - Step 3: Cross multiply
113,114.53x = 156,026.32 × 69,487.99 - Step 4: Simplify right side
113,114.53x = 10,841,955,363.90 - Step 5: Solve for x
x = 10,841,955,363.90/113,114.53 - Step 6: Final answer
x = 95,849.36
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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.