Finding the Fourth Proportional to 135,477.18, 187,049.79 and 84,567.42
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Solution
The fourth proportional to 135,477.18, 187,049.79 and 84,567.42 is: 116,760.02
Step by Step Solution
- Step 1: Write the proportion equation
135,477.18 : 187,049.79 = 84,567.42 : x - Step 2: Convert to fraction form
135,477.18/187,049.79 = 84,567.42/x - Step 3: Cross multiply
135,477.18x = 187,049.79 × 84,567.42 - Step 4: Simplify right side
135,477.18x = 15,818,318,151.84 - Step 5: Solve for x
x = 15,818,318,151.84/135,477.18 - Step 6: Final answer
x = 116,760.02
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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.