Finding the Fourth Proportional to 97,285.62, 134,203.08 and 79,156.62
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Solution
The fourth proportional to 97,285.62, 134,203.08 and 79,156.62 is: 109,194.58
Step by Step Solution
- Step 1: Write the proportion equation
97,285.62 : 134,203.08 = 79,156.62 : x - Step 2: Convert to fraction form
97,285.62/134,203.08 = 79,156.62/x - Step 3: Cross multiply
97,285.62x = 134,203.08 × 79,156.62 - Step 4: Simplify right side
97,285.62x = 10,623,062,206.39 - Step 5: Solve for x
x = 10,623,062,206.39/97,285.62 - Step 6: Final answer
x = 109,194.58
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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.