Finding the Fourth Proportional to 118,300.96, 163,249.20 and 67,312.66
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Solution
The fourth proportional to 118,300.96, 163,249.20 and 67,312.66 is: 92,887.99
Step by Step Solution
- Step 1: Write the proportion equation
118,300.96 : 163,249.20 = 67,312.66 : x - Step 2: Convert to fraction form
118,300.96/163,249.20 = 67,312.66/x - Step 3: Cross multiply
118,300.96x = 163,249.20 × 67,312.66 - Step 4: Simplify right side
118,300.96x = 10,988,737,894.87 - Step 5: Solve for x
x = 10,988,737,894.87/118,300.96 - Step 6: Final answer
x = 92,887.99
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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.