Finding the Fourth Proportional to 125,948.36, 173,800.81 and 69,359.74
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Solution
The fourth proportional to 125,948.36, 173,800.81 and 69,359.74 is: 95,712.07
Step by Step Solution
- Step 1: Write the proportion equation
125,948.36 : 173,800.81 = 69,359.74 : x - Step 2: Convert to fraction form
125,948.36/173,800.81 = 69,359.74/x - Step 3: Cross multiply
125,948.36x = 173,800.81 × 69,359.74 - Step 4: Simplify right side
125,948.36x = 12,054,778,385.49 - Step 5: Solve for x
x = 12,054,778,385.49/125,948.36 - Step 6: Final answer
x = 95,712.07
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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.