Finding the Fourth Proportional to 161,135.70, 241,703.55 and 91,151.70
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Solution
The fourth proportional to 161,135.70, 241,703.55 and 91,151.70 is: 136,727.55
Step by Step Solution
- Step 1: Write the proportion equation
161,135.70 : 241,703.55 = 91,151.70 : x - Step 2: Convert to fraction form
161,135.70/241,703.55 = 91,151.70/x - Step 3: Cross multiply
161,135.70x = 241,703.55 × 91,151.70 - Step 4: Simplify right side
161,135.70x = 22,031,689,478.54 - Step 5: Solve for x
x = 22,031,689,478.54/161,135.70 - Step 6: Final answer
x = 136,727.55
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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.