Finding the Fourth Proportional to 106,655.66, 147,183.93 and 58,257.62
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Solution
The fourth proportional to 106,655.66, 147,183.93 and 58,257.62 is: 80,395.03
Step by Step Solution
- Step 1: Write the proportion equation
106,655.66 : 147,183.93 = 58,257.62 : x - Step 2: Convert to fraction form
106,655.66/147,183.93 = 58,257.62/x - Step 3: Cross multiply
106,655.66x = 147,183.93 × 58,257.62 - Step 4: Simplify right side
106,655.66x = 8,574,584,728.13 - Step 5: Solve for x
x = 8,574,584,728.13/106,655.66 - Step 6: Final answer
x = 80,395.03
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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.