Finding the Fourth Proportional to 133,044.99, 183,595.59 and 72,614.13
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Solution
The fourth proportional to 133,044.99, 183,595.59 and 72,614.13 is: 100,203.95
Step by Step Solution
- Step 1: Write the proportion equation
133,044.99 : 183,595.59 = 72,614.13 : x - Step 2: Convert to fraction form
133,044.99/183,595.59 = 72,614.13/x - Step 3: Cross multiply
133,044.99x = 183,595.59 × 72,614.13 - Step 4: Simplify right side
133,044.99x = 13,331,634,039.69 - Step 5: Solve for x
x = 13,331,634,039.69/133,044.99 - Step 6: Final answer
x = 100,203.95
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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.