Finding the Fourth Proportional to 135,662.91, 186,999.10 and 106,935.99
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Solution
The fourth proportional to 135,662.91, 186,999.10 and 106,935.99 is: 147,401.63
Step by Step Solution
- Step 1: Write the proportion equation
135,662.91 : 186,999.10 = 106,935.99 : x - Step 2: Convert to fraction form
135,662.91/186,999.10 = 106,935.99/x - Step 3: Cross multiply
135,662.91x = 186,999.10 × 106,935.99 - Step 4: Simplify right side
135,662.91x = 19,996,933,887.61 - Step 5: Solve for x
x = 19,996,933,887.61/135,662.91 - Step 6: Final answer
x = 147,401.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.