Finding the Fourth Proportional to 134,884.24, 186,140.28 and 74,454.91
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Solution
The fourth proportional to 134,884.24, 186,140.28 and 74,454.91 is: 102,747.80
Step by Step Solution
- Step 1: Write the proportion equation
134,884.24 : 186,140.28 = 74,454.91 : x - Step 2: Convert to fraction form
134,884.24/186,140.28 = 74,454.91/x - Step 3: Cross multiply
134,884.24x = 186,140.28 × 74,454.91 - Step 4: Simplify right side
134,884.24x = 13,859,058,236.86 - Step 5: Solve for x
x = 13,859,058,236.86/134,884.24 - Step 6: Final answer
x = 102,747.80
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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.