Finding the Fourth Proportional to 99,955.08, 149,857.74 and 60,502.68
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Solution
The fourth proportional to 99,955.08, 149,857.74 and 60,502.68 is: 90,708.70
Step by Step Solution
- Step 1: Write the proportion equation
99,955.08 : 149,857.74 = 60,502.68 : x - Step 2: Convert to fraction form
99,955.08/149,857.74 = 60,502.68/x - Step 3: Cross multiply
99,955.08x = 149,857.74 × 60,502.68 - Step 4: Simplify right side
99,955.08x = 9,066,794,888.74 - Step 5: Solve for x
x = 9,066,794,888.74/99,955.08 - Step 6: Final answer
x = 90,708.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.