Finding the Fourth Proportional to 134,537.68, 185,663.28 and 74,108.60
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Solution
The fourth proportional to 134,537.68, 185,663.28 and 74,108.60 is: 102,270.57
Step by Step Solution
- Step 1: Write the proportion equation
134,537.68 : 185,663.28 = 74,108.60 : x - Step 2: Convert to fraction form
134,537.68/185,663.28 = 74,108.60/x - Step 3: Cross multiply
134,537.68x = 185,663.28 × 74,108.60 - Step 4: Simplify right side
134,537.68x = 13,759,245,752.21 - Step 5: Solve for x
x = 13,759,245,752.21/134,537.68 - Step 6: Final answer
x = 102,270.57
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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.