Finding the Fourth Proportional to 118,520.04, 163,598.84 and 68,239.08
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Solution
The fourth proportional to 118,520.04, 163,598.84 and 68,239.08 is: 94,193.64
Step by Step Solution
- Step 1: Write the proportion equation
118,520.04 : 163,598.84 = 68,239.08 : x - Step 2: Convert to fraction form
118,520.04/163,598.84 = 68,239.08/x - Step 3: Cross multiply
118,520.04x = 163,598.84 × 68,239.08 - Step 4: Simplify right side
118,520.04x = 11,163,834,330.67 - Step 5: Solve for x
x = 11,163,834,330.67/118,520.04 - Step 6: Final answer
x = 94,193.64
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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.