Finding the Fourth Proportional to 122,972.14, 184,041.58 and 75,617.23
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Solution
The fourth proportional to 122,972.14, 184,041.58 and 75,617.23 is: 113,169.65
Step by Step Solution
- Step 1: Write the proportion equation
122,972.14 : 184,041.58 = 75,617.23 : x - Step 2: Convert to fraction form
122,972.14/184,041.58 = 75,617.23/x - Step 3: Cross multiply
122,972.14x = 184,041.58 × 75,617.23 - Step 4: Simplify right side
122,972.14x = 13,916,713,888.79 - Step 5: Solve for x
x = 13,916,713,888.79/122,972.14 - Step 6: Final answer
x = 113,169.65
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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.