Finding the Fourth Proportional to 133,346.97, 183,946.14 and 85,607.49
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Solution
The fourth proportional to 133,346.97, 183,946.14 and 85,607.49 is: 118,091.68
Step by Step Solution
- Step 1: Write the proportion equation
133,346.97 : 183,946.14 = 85,607.49 : x - Step 2: Convert to fraction form
133,346.97/183,946.14 = 85,607.49/x - Step 3: Cross multiply
133,346.97x = 183,946.14 × 85,607.49 - Step 4: Simplify right side
133,346.97x = 15,747,167,340.59 - Step 5: Solve for x
x = 15,747,167,340.59/133,346.97 - Step 6: Final answer
x = 118,091.68
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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.