Finding the Fourth Proportional to 133,243.52, 183,894.82 and 84,829.99
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Solution
The fourth proportional to 133,243.52, 183,894.82 and 84,829.99 is: 117,077.32
Step by Step Solution
- Step 1: Write the proportion equation
133,243.52 : 183,894.82 = 84,829.99 : x - Step 2: Convert to fraction form
133,243.52/183,894.82 = 84,829.99/x - Step 3: Cross multiply
133,243.52x = 183,894.82 × 84,829.99 - Step 4: Simplify right side
133,243.52x = 15,599,795,069.84 - Step 5: Solve for x
x = 15,599,795,069.84/133,243.52 - Step 6: Final answer
x = 117,077.32
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1.5x scale
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.