Finding the Fourth Proportional to 106,881.18, 147,500.37 and 59,133.75
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Solution
The fourth proportional to 106,881.18, 147,500.37 and 59,133.75 is: 81,606.98
Step by Step Solution
- Step 1: Write the proportion equation
106,881.18 : 147,500.37 = 59,133.75 : x - Step 2: Convert to fraction form
106,881.18/147,500.37 = 59,133.75/x - Step 3: Cross multiply
106,881.18x = 147,500.37 × 59,133.75 - Step 4: Simplify right side
106,881.18x = 8,722,250,004.49 - Step 5: Solve for x
x = 8,722,250,004.49/106,881.18 - Step 6: Final answer
x = 81,606.98
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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.