Finding the Fourth Proportional to 119,242.52, 164,486.16 and 74,452.76
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Solution
The fourth proportional to 119,242.52, 164,486.16 and 74,452.76 is: 102,702.02
Step by Step Solution
- Step 1: Write the proportion equation
119,242.52 : 164,486.16 = 74,452.76 : x - Step 2: Convert to fraction form
119,242.52/164,486.16 = 74,452.76/x - Step 3: Cross multiply
119,242.52x = 164,486.16 × 74,452.76 - Step 4: Simplify right side
119,242.52x = 12,246,448,221.54 - Step 5: Solve for x
x = 12,246,448,221.54/119,242.52 - Step 6: Final answer
x = 102,702.02
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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.