Finding the Fourth Proportional to 134,647.48, 185,805.06 and 74,214.79
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Solution
The fourth proportional to 134,647.48, 185,805.06 and 74,214.79 is: 102,411.75
Step by Step Solution
- Step 1: Write the proportion equation
134,647.48 : 185,805.06 = 74,214.79 : x - Step 2: Convert to fraction form
134,647.48/185,805.06 = 74,214.79/x - Step 3: Cross multiply
134,647.48x = 185,805.06 × 74,214.79 - Step 4: Simplify right side
134,647.48x = 13,789,483,508.84 - Step 5: Solve for x
x = 13,789,483,508.84/134,647.48 - Step 6: Final answer
x = 102,411.75
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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.