Finding the Fourth Proportional to 106,665.30, 147,197.19 and 58,921.98
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Solution
The fourth proportional to 106,665.30, 147,197.19 and 58,921.98 is: 81,311.82
Step by Step Solution
- Step 1: Write the proportion equation
106,665.30 : 147,197.19 = 58,921.98 : x - Step 2: Convert to fraction form
106,665.30/147,197.19 = 58,921.98/x - Step 3: Cross multiply
106,665.30x = 147,197.19 × 58,921.98 - Step 4: Simplify right side
106,665.30x = 8,673,149,885.24 - Step 5: Solve for x
x = 8,673,149,885.24/106,665.30 - Step 6: Final answer
x = 81,311.82
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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.