Finding the Fourth Proportional to 134,664.23, 185,837.95 and 74,237.06
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Solution
The fourth proportional to 134,664.23, 185,837.95 and 74,237.06 is: 102,447.86
Step by Step Solution
- Step 1: Write the proportion equation
134,664.23 : 185,837.95 = 74,237.06 : x - Step 2: Convert to fraction form
134,664.23/185,837.95 = 74,237.06/x - Step 3: Cross multiply
134,664.23x = 185,837.95 × 74,237.06 - Step 4: Simplify right side
134,664.23x = 13,796,062,138.90 - Step 5: Solve for x
x = 13,796,062,138.90/134,664.23 - Step 6: Final answer
x = 102,447.86
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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.