Finding the Fourth Proportional to 114,346.84, 157,745.70 and 74,073.88
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Solution
The fourth proportional to 114,346.84, 157,745.70 and 74,073.88 is: 102,187.66
Step by Step Solution
- Step 1: Write the proportion equation
114,346.84 : 157,745.70 = 74,073.88 : x - Step 2: Convert to fraction form
114,346.84/157,745.70 = 74,073.88/x - Step 3: Cross multiply
114,346.84x = 157,745.70 × 74,073.88 - Step 4: Simplify right side
114,346.84x = 11,684,836,052.32 - Step 5: Solve for x
x = 11,684,836,052.32/114,346.84 - Step 6: Final answer
x = 102,187.66
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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.