Finding the Fourth Proportional to 106,564.41, 147,057.12 and 58,816.53
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Solution
The fourth proportional to 106,564.41, 147,057.12 and 58,816.53 is: 81,165.84
Step by Step Solution
- Step 1: Write the proportion equation
106,564.41 : 147,057.12 = 58,816.53 : x - Step 2: Convert to fraction form
106,564.41/147,057.12 = 58,816.53/x - Step 3: Cross multiply
106,564.41x = 147,057.12 × 58,816.53 - Step 4: Simplify right side
106,564.41x = 8,649,389,510.19 - Step 5: Solve for x
x = 8,649,389,510.19/106,564.41 - Step 6: Final answer
x = 81,165.84
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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.