Finding the Fourth Proportional to 133,990.62, 184,898.74 and 73,560.88
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Solution
The fourth proportional to 133,990.62, 184,898.74 and 73,560.88 is: 101,509.46
Step by Step Solution
- Step 1: Write the proportion equation
133,990.62 : 184,898.74 = 73,560.88 : x - Step 2: Convert to fraction form
133,990.62/184,898.74 = 73,560.88/x - Step 3: Cross multiply
133,990.62x = 184,898.74 × 73,560.88 - Step 4: Simplify right side
133,990.62x = 13,601,314,627.02 - Step 5: Solve for x
x = 13,601,314,627.02/133,990.62 - Step 6: Final answer
x = 101,509.46
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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.