Finding the Fourth Proportional to 121,631.34, 182,192.76 and 97,810.05
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Solution
The fourth proportional to 121,631.34, 182,192.76 and 97,810.05 is: 146,510.62
Step by Step Solution
- Step 1: Write the proportion equation
121,631.34 : 182,192.76 = 97,810.05 : x - Step 2: Convert to fraction form
121,631.34/182,192.76 = 97,810.05/x - Step 3: Cross multiply
121,631.34x = 182,192.76 × 97,810.05 - Step 4: Simplify right side
121,631.34x = 17,820,282,965.24 - Step 5: Solve for x
x = 17,820,282,965.24/121,631.34 - Step 6: Final answer
x = 146,510.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.