Finding the Fourth Proportional to 134,214.54, 185,147.70 and 102,328.08
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Solution
The fourth proportional to 134,214.54, 185,147.70 and 102,328.08 is: 141,160.63
Step by Step Solution
- Step 1: Write the proportion equation
134,214.54 : 185,147.70 = 102,328.08 : x - Step 2: Convert to fraction form
134,214.54/185,147.70 = 102,328.08/x - Step 3: Cross multiply
134,214.54x = 185,147.70 × 102,328.08 - Step 4: Simplify right side
134,214.54x = 18,945,808,657.42 - Step 5: Solve for x
x = 18,945,808,657.42/134,214.54 - Step 6: Final answer
x = 141,160.63
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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.