Finding the Fourth Proportional to 134,646.48, 185,803.68 and 74,213.79
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Solution
The fourth proportional to 134,646.48, 185,803.68 and 74,213.79 is: 102,410.37
Step by Step Solution
- Step 1: Write the proportion equation
134,646.48 : 185,803.68 = 74,213.79 : x - Step 2: Convert to fraction form
134,646.48/185,803.68 = 74,213.79/x - Step 3: Cross multiply
134,646.48x = 185,803.68 × 74,213.79 - Step 4: Simplify right side
134,646.48x = 13,789,195,288.75 - Step 5: Solve for x
x = 13,789,195,288.75/134,646.48 - Step 6: Final answer
x = 102,410.37
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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.