Finding the Fourth Proportional to 125,400.04, 173,051.58 and 68,812.36
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Solution
The fourth proportional to 125,400.04, 173,051.58 and 68,812.36 is: 94,960.80
Step by Step Solution
- Step 1: Write the proportion equation
125,400.04 : 173,051.58 = 68,812.36 : x - Step 2: Convert to fraction form
125,400.04/173,051.58 = 68,812.36/x - Step 3: Cross multiply
125,400.04x = 173,051.58 × 68,812.36 - Step 4: Simplify right side
125,400.04x = 11,908,087,621.53 - Step 5: Solve for x
x = 11,908,087,621.53/125,400.04 - Step 6: Final answer
x = 94,960.80
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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.