Finding the Fourth Proportional to 133,377.54, 184,061.26 and 72,947.99
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Solution
The fourth proportional to 133,377.54, 184,061.26 and 72,947.99 is: 100,668.37
Step by Step Solution
- Step 1: Write the proportion equation
133,377.54 : 184,061.26 = 72,947.99 : x - Step 2: Convert to fraction form
133,377.54/184,061.26 = 72,947.99/x - Step 3: Cross multiply
133,377.54x = 184,061.26 × 72,947.99 - Step 4: Simplify right side
133,377.54x = 13,426,899,505.21 - Step 5: Solve for x
x = 13,426,899,505.21/133,377.54 - Step 6: Final answer
x = 100,668.37
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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.