Finding the Fourth Proportional to 135,745.95, 187,157.21 and 97,030.11
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Solution
The fourth proportional to 135,745.95, 187,157.21 and 97,030.11 is: 133,778.46
Step by Step Solution
- Step 1: Write the proportion equation
135,745.95 : 187,157.21 = 97,030.11 : x - Step 2: Convert to fraction form
135,745.95/187,157.21 = 97,030.11/x - Step 3: Cross multiply
135,745.95x = 187,157.21 × 97,030.11 - Step 4: Simplify right side
135,745.95x = 18,159,884,188.44 - Step 5: Solve for x
x = 18,159,884,188.44/135,745.95 - Step 6: Final answer
x = 133,778.46
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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.