Finding the Fourth Proportional to 125,802.48, 173,604.96 and 69,214.80
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Solution
The fourth proportional to 125,802.48, 173,604.96 and 69,214.80 is: 95,515.07
Step by Step Solution
- Step 1: Write the proportion equation
125,802.48 : 173,604.96 = 69,214.80 : x - Step 2: Convert to fraction form
125,802.48/173,604.96 = 69,214.80/x - Step 3: Cross multiply
125,802.48x = 173,604.96 × 69,214.80 - Step 4: Simplify right side
125,802.48x = 12,016,032,585.41 - Step 5: Solve for x
x = 12,016,032,585.41/125,802.48 - Step 6: Final answer
x = 95,515.07
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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.