Finding the Fourth Proportional to 114,102.66, 157,622.74 and 103,876.62
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Solution
The fourth proportional to 114,102.66, 157,622.74 and 103,876.62 is: 143,496.37
Step by Step Solution
- Step 1: Write the proportion equation
114,102.66 : 157,622.74 = 103,876.62 : x - Step 2: Convert to fraction form
114,102.66/157,622.74 = 103,876.62/x - Step 3: Cross multiply
114,102.66x = 157,622.74 × 103,876.62 - Step 4: Simplify right side
114,102.66x = 16,373,317,466.34 - Step 5: Solve for x
x = 16,373,317,466.34/114,102.66 - Step 6: Final answer
x = 143,496.37
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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.