Finding the Fourth Proportional to 135,935.06, 187,593.35 and 74,682.03
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Solution
The fourth proportional to 135,935.06, 187,593.35 and 74,682.03 is: 103,062.83
Step by Step Solution
- Step 1: Write the proportion equation
135,935.06 : 187,593.35 = 74,682.03 : x - Step 2: Convert to fraction form
135,935.06/187,593.35 = 74,682.03/x - Step 3: Cross multiply
135,935.06x = 187,593.35 × 74,682.03 - Step 4: Simplify right side
135,935.06x = 14,009,851,819.09 - Step 5: Solve for x
x = 14,009,851,819.09/135,935.06 - Step 6: Final answer
x = 103,062.83
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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.