Finding the Fourth Proportional to 136,829.08, 205,254.52 and 48,102.48
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Solution
The fourth proportional to 136,829.08, 205,254.52 and 48,102.48 is: 72,157.55
Step by Step Solution
- Step 1: Write the proportion equation
136,829.08 : 205,254.52 = 48,102.48 : x - Step 2: Convert to fraction form
136,829.08/205,254.52 = 48,102.48/x - Step 3: Cross multiply
136,829.08x = 205,254.52 × 48,102.48 - Step 4: Simplify right side
136,829.08x = 9,873,251,443.21 - Step 5: Solve for x
x = 9,873,251,443.21/136,829.08 - Step 6: Final answer
x = 72,157.55
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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.