Finding the Fourth Proportional to 106,647.88, 147,173.61 and 58,900.99
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Solution
The fourth proportional to 106,647.88, 147,173.61 and 58,900.99 is: 81,283.11
Step by Step Solution
- Step 1: Write the proportion equation
106,647.88 : 147,173.61 = 58,900.99 : x - Step 2: Convert to fraction form
106,647.88/147,173.61 = 58,900.99/x - Step 3: Cross multiply
106,647.88x = 147,173.61 × 58,900.99 - Step 4: Simplify right side
106,647.88x = 8,668,671,330.87 - Step 5: Solve for x
x = 8,668,671,330.87/106,647.88 - Step 6: Final answer
x = 81,283.11
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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.