Finding the Fourth Proportional to 135,602.02, 187,132.68 and 74,353.96
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Solution
The fourth proportional to 135,602.02, 187,132.68 and 74,353.96 is: 102,609.50
Step by Step Solution
- Step 1: Write the proportion equation
135,602.02 : 187,132.68 = 74,353.96 : x - Step 2: Convert to fraction form
135,602.02/187,132.68 = 74,353.96/x - Step 3: Cross multiply
135,602.02x = 187,132.68 × 74,353.96 - Step 4: Simplify right side
135,602.02x = 13,914,055,803.41 - Step 5: Solve for x
x = 13,914,055,803.41/135,602.02 - Step 6: Final answer
x = 102,609.50
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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.