Finding the Fourth Proportional to 106,605.16, 147,114.18 and 58,857.49
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Solution
The fourth proportional to 106,605.16, 147,114.18 and 58,857.49 is: 81,222.82
Step by Step Solution
- Step 1: Write the proportion equation
106,605.16 : 147,114.18 = 58,857.49 : x - Step 2: Convert to fraction form
106,605.16/147,114.18 = 58,857.49/x - Step 3: Cross multiply
106,605.16x = 147,114.18 × 58,857.49 - Step 4: Simplify right side
106,605.16x = 8,658,771,378.21 - Step 5: Solve for x
x = 8,658,771,378.21/106,605.16 - Step 6: Final answer
x = 81,222.82
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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.