Finding the Fourth Proportional to 102,153.99, 153,373.14 and 52,268.52
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Solution
The fourth proportional to 102,153.99, 153,373.14 and 52,268.52 is: 78,475.52
Step by Step Solution
- Step 1: Write the proportion equation
102,153.99 : 153,373.14 = 52,268.52 : x - Step 2: Convert to fraction form
102,153.99/153,373.14 = 52,268.52/x - Step 3: Cross multiply
102,153.99x = 153,373.14 × 52,268.52 - Step 4: Simplify right side
102,153.99x = 8,016,587,035.55 - Step 5: Solve for x
x = 8,016,587,035.55/102,153.99 - Step 6: Final answer
x = 78,475.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.