Finding the Fourth Proportional to 136,857.01, 205,263.15 and 48,089.74
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Solution
The fourth proportional to 136,857.01, 205,263.15 and 48,089.74 is: 72,126.75
Step by Step Solution
- Step 1: Write the proportion equation
136,857.01 : 205,263.15 = 48,089.74 : x - Step 2: Convert to fraction form
136,857.01/205,263.15 = 48,089.74/x - Step 3: Cross multiply
136,857.01x = 205,263.15 × 48,089.74 - Step 4: Simplify right side
136,857.01x = 9,871,051,515.08 - Step 5: Solve for x
x = 9,871,051,515.08/136,857.01 - Step 6: Final answer
x = 72,126.75
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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.