Finding the Fourth Proportional to 133,152.86, 183,750.01 and 72,723.53
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Solution
The fourth proportional to 133,152.86, 183,750.01 and 72,723.53 is: 100,357.96
Step by Step Solution
- Step 1: Write the proportion equation
133,152.86 : 183,750.01 = 72,723.53 : x - Step 2: Convert to fraction form
133,152.86/183,750.01 = 72,723.53/x - Step 3: Cross multiply
133,152.86x = 183,750.01 × 72,723.53 - Step 4: Simplify right side
133,152.86x = 13,362,949,364.74 - Step 5: Solve for x
x = 13,362,949,364.74/133,152.86 - Step 6: Final answer
x = 100,357.96
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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.