Finding the Fourth Proportional to 136,024.57, 187,711.58 and 75,593.66
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Solution
The fourth proportional to 136,024.57, 187,711.58 and 75,593.66 is: 104,317.95
Step by Step Solution
- Step 1: Write the proportion equation
136,024.57 : 187,711.58 = 75,593.66 : x - Step 2: Convert to fraction form
136,024.57/187,711.58 = 75,593.66/x - Step 3: Cross multiply
136,024.57x = 187,711.58 × 75,593.66 - Step 4: Simplify right side
136,024.57x = 14,189,804,181.79 - Step 5: Solve for x
x = 14,189,804,181.79/136,024.57 - Step 6: Final answer
x = 104,317.95
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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.