Finding the Fourth Proportional to 124,811.80, 187,217.70 and 117,035.80
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Solution
The fourth proportional to 124,811.80, 187,217.70 and 117,035.80 is: 175,553.70
Step by Step Solution
- Step 1: Write the proportion equation
124,811.80 : 187,217.70 = 117,035.80 : x - Step 2: Convert to fraction form
124,811.80/187,217.70 = 117,035.80/x - Step 3: Cross multiply
124,811.80x = 187,217.70 × 117,035.80 - Step 4: Simplify right side
124,811.80x = 21,911,173,293.66 - Step 5: Solve for x
x = 21,911,173,293.66/124,811.80 - Step 6: Final answer
x = 175,553.70
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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.