Finding the Fourth Proportional to 155,166.17, 214,129.46 and 88,098.17
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Solution
The fourth proportional to 155,166.17, 214,129.46 and 88,098.17 is: 121,575.56
Step by Step Solution
- Step 1: Write the proportion equation
155,166.17 : 214,129.46 = 88,098.17 : x - Step 2: Convert to fraction form
155,166.17/214,129.46 = 88,098.17/x - Step 3: Cross multiply
155,166.17x = 214,129.46 × 88,098.17 - Step 4: Simplify right side
155,166.17x = 18,864,413,569.09 - Step 5: Solve for x
x = 18,864,413,569.09/155,166.17 - Step 6: Final answer
x = 121,575.56
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1.5x scale
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.